diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..261eeb9
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,201 @@
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
+
+ "License" shall mean the terms and conditions for use, reproduction,
+ and distribution as defined by Sections 1 through 9 of this document.
+
+ "Licensor" shall mean the copyright owner or entity authorized by
+ the copyright owner that is granting the License.
+
+ "Legal Entity" shall mean the union of the acting entity and all
+ other entities that control, are controlled by, or are under common
+ control with that entity. For the purposes of this definition,
+ "control" means (i) the power, direct or indirect, to cause the
+ direction or management of such entity, whether by contract or
+ otherwise, or (ii) ownership of fifty percent (50%) or more of the
+ outstanding shares, or (iii) beneficial ownership of such entity.
+
+ "You" (or "Your") shall mean an individual or Legal Entity
+ exercising permissions granted by this License.
+
+ "Source" form shall mean the preferred form for making modifications,
+ including but not limited to software source code, documentation
+ source, and configuration files.
+
+ "Object" form shall mean any form resulting from mechanical
+ transformation or translation of a Source form, including but
+ not limited to compiled object code, generated documentation,
+ and conversions to other media types.
+
+ "Work" shall mean the work of authorship, whether in Source or
+ Object form, made available under the License, as indicated by a
+ copyright notice that is included in or attached to the work
+ (an example is provided in the Appendix below).
+
+ "Derivative Works" shall mean any work, whether in Source or Object
+ form, that is based on (or derived from) the Work and for which the
+ editorial revisions, annotations, elaborations, or other modifications
+ represent, as a whole, an original work of authorship. For the purposes
+ of this License, Derivative Works shall not include works that remain
+ separable from, or merely link (or bind by name) to the interfaces of,
+ the Work and Derivative Works thereof.
+
+ "Contribution" shall mean any work of authorship, including
+ the original version of the Work and any modifications or additions
+ to that Work or Derivative Works thereof, that is intentionally
+ submitted to Licensor for inclusion in the Work by the copyright owner
+ or by an individual or Legal Entity authorized to submit on behalf of
+ the copyright owner. For the purposes of this definition, "submitted"
+ means any form of electronic, verbal, or written communication sent
+ to the Licensor or its representatives, including but not limited to
+ communication on electronic mailing lists, source code control systems,
+ and issue tracking systems that are managed by, or on behalf of, the
+ Licensor for the purpose of discussing and improving the Work, but
+ excluding communication that is conspicuously marked or otherwise
+ designated in writing by the copyright owner as "Not a Contribution."
+
+ "Contributor" shall mean Licensor and any individual or Legal Entity
+ on behalf of whom a Contribution has been received by Licensor and
+ subsequently incorporated within the Work.
+
+ 2. Grant of Copyright License. Subject to the terms and conditions of
+ this License, each Contributor hereby grants to You a perpetual,
+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+ copyright license to reproduce, prepare Derivative Works of,
+ publicly display, publicly perform, sublicense, and distribute the
+ Work and such Derivative Works in Source or Object form.
+
+ 3. Grant of Patent License. Subject to the terms and conditions of
+ this License, each Contributor hereby grants to You a perpetual,
+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+ (except as stated in this section) patent license to make, have made,
+ use, offer to sell, sell, import, and otherwise transfer the Work,
+ where such license applies only to those patent claims licensable
+ by such Contributor that are necessarily infringed by their
+ Contribution(s) alone or by combination of their Contribution(s)
+ with the Work to which such Contribution(s) was submitted. If You
+ institute patent litigation against any entity (including a
+ cross-claim or counterclaim in a lawsuit) alleging that the Work
+ or a Contribution incorporated within the Work constitutes direct
+ or contributory patent infringement, then any patent licenses
+ granted to You under this License for that Work shall terminate
+ as of the date such litigation is filed.
+
+ 4. Redistribution. You may reproduce and distribute copies of the
+ Work or Derivative Works thereof in any medium, with or without
+ modifications, and in Source or Object form, provided that You
+ meet the following conditions:
+
+ (a) You must give any other recipients of the Work or
+ Derivative Works a copy of this License; and
+
+ (b) You must cause any modified files to carry prominent notices
+ stating that You changed the files; and
+
+ (c) You must retain, in the Source form of any Derivative Works
+ that You distribute, all copyright, patent, trademark, and
+ attribution notices from the Source form of the Work,
+ excluding those notices that do not pertain to any part of
+ the Derivative Works; and
+
+ (d) If the Work includes a "NOTICE" text file as part of its
+ distribution, then any Derivative Works that You distribute must
+ include a readable copy of the attribution notices contained
+ within such NOTICE file, excluding those notices that do not
+ pertain to any part of the Derivative Works, in at least one
+ of the following places: within a NOTICE text file distributed
+ as part of the Derivative Works; within the Source form or
+ documentation, if provided along with the Derivative Works; or,
+ within a display generated by the Derivative Works, if and
+ wherever such third-party notices normally appear. The contents
+ of the NOTICE file are for informational purposes only and
+ do not modify the License. You may add Your own attribution
+ notices within Derivative Works that You distribute, alongside
+ or as an addendum to the NOTICE text from the Work, provided
+ that such additional attribution notices cannot be construed
+ as modifying the License.
+
+ You may add Your own copyright statement to Your modifications and
+ may provide additional or different license terms and conditions
+ for use, reproduction, or distribution of Your modifications, or
+ for any such Derivative Works as a whole, provided Your use,
+ reproduction, and distribution of the Work otherwise complies with
+ the conditions stated in this License.
+
+ 5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
+ by You to the Licensor shall be under the terms and conditions of
+ this License, without any additional terms or conditions.
+ Notwithstanding the above, nothing herein shall supersede or modify
+ the terms of any separate license agreement you may have executed
+ with Licensor regarding such Contributions.
+
+ 6. Trademarks. This License does not grant permission to use the trade
+ names, trademarks, service marks, or product names of the Licensor,
+ except as required for reasonable and customary use in describing the
+ origin of the Work and reproducing the content of the NOTICE file.
+
+ 7. Disclaimer of Warranty. Unless required by applicable law or
+ agreed to in writing, Licensor provides the Work (and each
+ Contributor provides its Contributions) on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ implied, including, without limitation, any warranties or conditions
+ of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+ PARTICULAR PURPOSE. You are solely responsible for determining the
+ appropriateness of using or redistributing the Work and assume any
+ risks associated with Your exercise of permissions under this License.
+
+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
+ unless required by applicable law (such as deliberate and grossly
+ negligent acts) or agreed to in writing, shall any Contributor be
+ liable to You for damages, including any direct, indirect, special,
+ incidental, or consequential damages of any character arising as a
+ result of this License or out of the use or inability to use the
+ Work (including but not limited to damages for loss of goodwill,
+ work stoppage, computer failure or malfunction, or any and all
+ other commercial damages or losses), even if such Contributor
+ has been advised of the possibility of such damages.
+
+ 9. Accepting Warranty or Additional Liability. While redistributing
+ the Work or Derivative Works thereof, You may choose to offer,
+ and charge a fee for, acceptance of support, warranty, indemnity,
+ or other liability obligations and/or rights consistent with this
+ License. However, in accepting such obligations, You may act only
+ on Your own behalf and on Your sole responsibility, not on behalf
+ of any other Contributor, and only if You agree to indemnify,
+ defend, and hold each Contributor harmless for any liability
+ incurred by, or claims asserted against, such Contributor by reason
+ of your accepting any such warranty or additional liability.
+
+ END OF TERMS AND CONDITIONS
+
+ APPENDIX: How to apply the Apache License to your work.
+
+ To apply the Apache License to your work, attach the following
+ boilerplate notice, with the fields enclosed by brackets "[]"
+ replaced with your own identifying information. (Don't include
+ the brackets!) The text should be enclosed in the appropriate
+ comment syntax for the file format. We also recommend that a
+ file or class name and description of purpose be included on the
+ same "printed page" as the copyright notice for easier
+ identification within third-party archives.
+
+ Copyright [yyyy] [name of copyright owner]
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..c9054d2
--- /dev/null
+++ b/README.md
@@ -0,0 +1,272 @@
+# BigQuery Remote Inference Pipeline
+BigQuery supports remote models, such as Vertex AI LLMs, to perform remote inference operations
+on both structured and unstructured data. When using remote inference, the user needs to pay
+attention to [quotas and limits](https://cloud.google.com/bigquery/quotas#cloud_ai_service_functions),
+which can result in retryable error in a subset of rows and require reprocessing.
+
+The BQML dataform library assists users to create BQML pipelines that are resilient to
+transient failures by automatic reprocessing and incrementally updating the output table.
+
+## Quick Start Guide
+### Installation
+Add the bqml package to your package.json file in your Dataform project.
+You can find the most up to date package version on the releases page.
+
+### Usage
+The following example shows how to generate text from images using the
+Vertex AI multimodel.
+
+```javascript
+// Import the module
+const bqml = require("bqml");
+
+// Name of the multimodel that has `gemini-pro-vision` as the endpoint
+let model = "multi-llm";
+// Name of the object table that points to a set of images
+let source_table = "product_image";
+// Name of the table for storing the result
+let output_table = "product_image_description";
+
+// Execute the pipeline
+bqml.vision_generate_text(
+ source_table, output_table, model,
+ "Describe the image in 20 words", {
+ flatten_json_output: true
+ }
+);
+```
+
+## Function Reference
+### Function generate_text
+#### Signature
+```javascript
+function generate_text(
+ source_table, output_table, unique_keys,
+ ml_model, source_query, ml_configs, options)
+```
+#### Description
+Performs the ML.GENERATE_TEXT function on the given source table.
+
+**See**: [https://cloud.google.com/bigquery/docs/reference/standard-sql/bigqueryml-syntax-generate-text](https://cloud.google.com/bigquery/docs/reference/standard-sql/bigqueryml-syntax-generate-text)
+
+| Param | Type | Description |
+| --- | --- | --- |
+| source_table | Resolvable
| represents the source table |
+| output_table | String
| the name of the table to store the final result |
+| unique_keys | String
\| Array
| column name(s) for identifying an unique row in the source table |
+| ml_model | Resolvable
| the remote model to use for the ML operation that uses one of the Vertex AI LLM endpoints |
+| source_query | String
\| function
| either a query string or a Contextable function to produce the query on the source data for the ML operation and it must have the unique key columns selected in addition to other fields |
+| ml_configs | Object
| configurations for the ML operation |
+| options | Object
| the configuration object for the [table_ml](#table_ml) function |
+
+---
+### Function vision_generate_text
+#### Signature
+```javascript
+function vision_generate_text(
+ source_table, output_table, model, prompt, llm_config, options)
+```
+#### Description
+Performs the ML.GENERATE_TEXT function on visual content in the given source table.
+
+**See**: [https://cloud.google.com/bigquery/docs/reference/standard-sql/bigqueryml-syntax-generate-text#gemini-pro-vision](https://cloud.google.com/bigquery/docs/reference/standard-sql/bigqueryml-syntax-generate-text#gemini-pro-vision)
+
+| Param | Type | Description |
+| --- | --- | --- |
+| source_table | Resolvable
| represents the source object table |
+| output_table | String
| name of the output table |
+| model | Resolvable
| name the remote model with the `gemini-pro-vision` endpoint |
+| prompt | String
| the prompt text for the LLM |
+| llm_config | Object
| extra configurations to the LLM |
+| options | Object
| the configuration object for the [obj_table_ml](#obj_table_ml) function |
+
+---
+### Function generate_embedding
+#### Signature
+```javascript
+function generate_embedding(
+ source_table, output_table, unique_keys,
+ ml_model, source_query, ml_configs, options = {})
+```
+#### Description
+Performs the ML.GENERATE_EMBEDDING function on the given source table.
+
+**See**: [https://cloud.google.com/bigquery/docs/reference/standard-sql/bigqueryml-syntax-generate-embedding](https://cloud.google.com/bigquery/docs/reference/standard-sql/bigqueryml-syntax-generate-embedding)
+
+| Param | Type | Description |
+| --- | --- | --- |
+| source_table | Resolvable
| represents the source table |
+| output_table | String
| the name of the table to store the final result |
+| unique_keys | String
\| Array
| column name(s) for identifying an unique row in the source table |
+| ml_model | Resolvable
| the remote model to use for the ML operation that uses one of the `textembedding-gecko*` Vertex AI LLMs as endpoint |
+| source_query | String
\| function
| either a query string or a Contextable function to produce the query on the source data for the ML operation and it must have the unique key columns selected in addition to other fields |
+| ml_configs | Object
| configurations for the ML operation |
+| options | Object
| the configuration object for the [table_ml](#table_ml) function |
+
+---
+### Function understand_text
+#### Signature
+```javascript
+function understand_text(
+ source_table, output_table, unique_keys,
+ ml_model, source_query, ml_configs, options)
+```
+#### Description
+Performs the ML.UNDERSTAND_TEXT function on the given source table.
+
+**See**: [https://cloud.google.com/bigquery/docs/reference/standard-sql/bigqueryml-syntax-understand-text](https://cloud.google.com/bigquery/docs/reference/standard-sql/bigqueryml-syntax-understand-text)
+
+| Param | Type | Description |
+| --- | --- | --- |
+| source_table | Resolvable
| represents the source table |
+| output_table | String
| the name of the table to store the final result |
+| unique_keys | String
\| Array
| column name(s) for identifying an unique row in the source table |
+| ml_model | Resolvable
| the remote model with a REMOTE_SERVICE_TYPE of CLOUD_AI_NATURAL_LANGUAGE_V1 |
+| source_query | String
\| function
| either a query string or a Contextable function to produce the query on the source data for the ML operation and it must have the unique key columns selected in addition to other fields |
+| ml_configs | Object
| configurations for the ML operation |
+| options | Object
| the configuration object for the [table_ml](#table_ml) function |
+
+---
+### Function translate
+#### Signature
+```javascript
+function translate(
+ source_table, output_table, unique_keys,
+ ml_model, source_query, ml_configs, options)
+```
+#### Description
+Performs the ML.TRANSLATE function on the given source table.
+
+**See**: [https://cloud.google.com/bigquery/docs/reference/standard-sql/bigqueryml-syntax-translate](https://cloud.google.com/bigquery/docs/reference/standard-sql/bigqueryml-syntax-translate)
+
+| Param | Type | Description |
+| --- | --- | --- |
+| source_table | Resolvable
| represents the source table |
+| output_table | String
| the name of the table to store the final result |
+| unique_keys | String
\| Array
| column name(s) for identifying an unique row in the source table |
+| ml_model | Resolvable
| the remote model with a REMOTE_SERVICE_TYPE of CLOUD_AI_TRANSLATE_V3 |
+| source_query | String
\| function
| either a query string or a Contextable function to produce the query on the source data for the ML operation and it must have the unique key columns selected in addition to other fields |
+| ml_configs | Object
| configurations for the ML operation |
+| options | Object
| the configuration object for the [table_ml](#table_ml) function |
+
+---
+### Function annotate_image
+#### Signature
+```javascript
+function annotate_image(
+ source_table, output_table, model, features, options)
+```
+#### Description
+Performs the ML.ANNOTATE_IMAGE function on the given source table.
+
+**See**: [https://cloud.google.com/bigquery/docs/reference/standard-sql/bigqueryml-syntax-annotate-image](https://cloud.google.com/bigquery/docs/reference/standard-sql/bigqueryml-syntax-annotate-image)
+
+| Param | Type | Description |
+| --- | --- | --- |
+| source_table | Resolvable
| represents the source object table |
+| output_table | String
| name of the output table |
+| model | Resolvable
| the remote model with a REMOTE_SERVICE_TYPE of CLOUD_AI_VISION_V1 |
+| features | Array
| specifies one or more feature names of supported Vision API features |
+| options | Object
| the configuration object for the [obj_table_ml](#obj_table_ml) function |
+
+---
+### Function transcribe
+#### Signature
+```javascript
+function transcribe(
+ source_table, output_table, model, recognition_config, options)
+```
+#### Description
+Performs the ML.TRANSCRIBE function on the given source table.
+
+**See**: [https://cloud.google.com/bigquery/docs/reference/standard-sql/bigqueryml-syntax-transcribe](https://cloud.google.com/bigquery/docs/reference/standard-sql/bigqueryml-syntax-transcribe)
+
+| Param | Type | Description |
+| --- | --- | --- |
+| source_table | Resolvable
| represents the source object table |
+| output_table | String
| name of the output table |
+| model | Resolvable
| the remote model with a REMOTE_SERVICE_TYPE of CLOUD_AI_SPEECH_TO_TEXT_V2 |
+| recognition_config | Object
| the recognition configuration to override the default configuration of the specified recognizer |
+| options | Object
| the configuration object for the [obj_table_ml](#obj_table_ml) function |
+
+---
+### Function process_document
+#### Signature
+```javascript
+function process_document(
+ source_table, output_table, model, options)
+```
+#### Description
+Performs the ML.PROCESS_DOCUMENT function on the given source table.
+
+**See**: [https://cloud.google.com/bigquery/docs/reference/standard-sql/bigqueryml-syntax-process-document](https://cloud.google.com/bigquery/docs/reference/standard-sql/bigqueryml-syntax-process-document)
+
+| Param | Type | Description |
+| --- | --- | --- |
+| source_table | Resolvable
| represents the source object table |
+| output_table | String
| name of the output table |
+| model | Resolvable
| the remote model with a REMOTE_SERVICE_TYPE of CLOUD_AI_DOCUMENT_V1 |
+| options | Object
| the configuration object for the [obj_table_ml](#obj_table_ml) function |
+
+---
+
+### Function table_ml
+#### Signature
+```javascript
+function table_ml(
+ output_table, unique_keys, ml_function, ml_model,
+ source_query, accept_filter, ml_configs = {}, {
+ batch_size = 10000,
+ batch_duration_secs = 22 * 60 * 60
+} = {})
+```
+#### Description
+A generic structured table ML pipeline.
+It incrementally performs an ML operation on rows from the source table
+and merges to the output table until all rows are processed or runs longer
+than the specific duration.
+
+| Param | Type | Description |
+| --- | --- | --- |
+| output_table | String
| name of the output table |
+| unique_keys | String
\| Array
| column name(s) for identifying an unique row in the source table |
+| ml_function | String
| the name of the BQML function to call |
+| ml_model | Resolvable
| the remote model to use for the ML operation |
+| source_query | String
\| function
| either a query string or a Contextable function to produce the query on the source data for the ML operation and it must have the unique key columns selected in addition to other fields |
+| accept_filter | String
| a SQL boolean expression for accepting a row to the output table after the ML operation |
+| ml_configs | Object
| configurations for the ML operation |
+| batch_size | Number
| number of rows to process in each SQL job. Rows in the object table will be processed in batches according to the batch size. Default batch size is 10000 |
+| batch_duration_secs | Number
| the number of seconds to pass before breaking the batching loop if it hasn't been finished before within this duration. Default value is 22 hours |
+
+---
+
+### Function obj_table_ml
+#### Signature
+```javascript
+function obj_table_ml(
+ source_table, source, output_table, accept_filter, {
+ batch_size = 500,
+ unique_key = "uri",
+ updated_column = "updated",
+ batch_duration_secs = 22 * 60 * 60,
+} = {})
+```
+#### Description
+A generic object table ML pipeline.
+It incrementally performs an ML operation on new rows from the source table
+and merges to the output table until no new row is detected or runs longer
+than the specific duration.
+A row from the source table is considered as new if the `unique_key` (default to "uri")
+of a row is absent in the output table, or if the `updated_column` (default to "updated")
+column is newer than the largest value in the output table.
+
+| Param | Type | Description |
+| --- | --- | --- |
+| source_table | Resolvable
| represents the source object table |
+| source | String
\| function
| either a query string or a Contextable function to produce the query on the source data |
+| output_table | String
| the name of the table to store the final result |
+| accept_filter | String
| a SQL expression for finding rows that contains retryable error |
+| batch_size | Number
| number of rows to process in each SQL job. Rows in the object table will be processed in batches according to the batch size. Default batch size is 500 |
+| unique_key | String
| the primary key in the output table for incremental update. Default value is "uri". |
+| updated_column | String
| the column that carries the last updated timestamp of an object in the object table. Default value is "updated" |
+| batch_duration_secs | Number
| the number of seconds to pass before breaking the batching loop if it hasn't been finished before within this duration. Default value is 22 hours |
diff --git a/index.js b/index.js
new file mode 100644
index 0000000..1dd1e87
--- /dev/null
+++ b/index.js
@@ -0,0 +1,4 @@
+const structured_table_ml = require("./modules/structured_table_ml");
+const object_table_ml = require("./modules/object_table_ml");
+
+module.exports = {...structured_table_ml, ...object_table_ml};
\ No newline at end of file
diff --git a/modules/object_table_ml.js b/modules/object_table_ml.js
new file mode 100644
index 0000000..49bcb33
--- /dev/null
+++ b/modules/object_table_ml.js
@@ -0,0 +1,163 @@
+const common = require("./utils.js");
+
+/**
+ * A generic object table ML pipeline.
+ * It incrementally performs an ML operation on new rows from the source table
+ * and merges to the output table until no new row is detected or runs longer
+ * than the specific duration.
+ * A row from the source table is considered as new if the `unique_key` (default to "uri")
+ * of a row is absent in the output table, or if the `updated_column` (default to "updated")
+ * column is newer than the largest value in the output table.
+ *
+ * @param {Resolvable} source_table represents the source object table
+ * @param {String | Function} source either a query string or a Contextable function to produce the query on the source data
+ * @param {String} output_table the name of the table to store the final result
+ * @param {String} accept_filter a SQL expression for finding rows that contains retryable error
+ * @param {Number} batch_size number of rows to process in each SQL job. Rows in the object table will be
+ * processed in batches according to the batch size. Default batch size is 500
+ * @param {String} unique_key the primary key in the output table for incremental update. Default value is "uri".
+ * @param {String} updated_column the column that carries the last updated timestamp of an object in the object
+ * table. Default value is "updated"
+ * @param {Number} batch_duration_secs the number of seconds to pass before breaking the batching loop if it
+ * hasn't been finished before within this duration. Default value is 22 hours
+ */
+function obj_table_ml(source_table, source, output_table, accept_filter, {
+ batch_size = 500,
+ unique_key = "uri",
+ updated_column = "updated",
+ batch_duration_secs = 22 * 60 * 60,
+} = {}) {
+ let source_func = (source instanceof Function) ? source : () => source;
+ let limit_clause = `LIMIT ${batch_size}`;
+
+ // Initialize by creating the output table with a small limit to avoid timeout
+ operate(`init_${output_table}`)
+ .queries((ctx) =>
+ `CREATE TABLE IF NOT EXISTS ${ctx.resolve(output_table)} AS ${source_func(ctx)} WHERE ${accept_filter} LIMIT 10`);
+
+ // Incrementally update the output table.
+ let table = publish(output_table, {
+ type: "incremental",
+ dependencies: [`init_${output_table}`],
+ uniqueKey: [unique_key]
+ });
+
+ // Repeatedly finding a new set of uri candidates, performs the ML operation, and merges the result to the output table
+ table.preOps((ctx) => `${ctx.when(ctx.incremental(), `
+ DECLARE candidates ARRAY;
+ REPEAT
+ SET candidates = ARRAY(
+ SELECT ${unique_key} FROM ${ctx.resolve(source_table)} AS S
+ WHERE NOT EXISTS (SELECT * FROM ${ctx.resolve(output_table)} AS T WHERE S.${unique_key} = T.${unique_key})
+ OR ${updated_column} > (SELECT max(${updated_column}) FROM ${ctx.resolve(output_table)}) ${limit_clause})`,
+ ``)}`);
+ table.query((ctx) => `
+ ${source_func(ctx)} WHERE ${ctx.when(ctx.incremental(),
+ `${unique_key} IN UNNEST(candidates) AND ${accept_filter}`,
+ // The non-incremental part shouldn't be used since the table is already created in the init operation above.
+ // Nevertheless, the accept filter and limit is set if such occassion does occur.
+ `${accept_filter} ${limit_clause}`)}`);
+ table.postOps((ctx) => `${ctx.when(ctx.incremental(), `
+ UNTIL (SELECT @@row_count) = 0 OR TIMESTAMP_DIFF(CURRENT_TIMESTAMP(), @@script.creation_time, SECOND) >= ${batch_duration_secs}
+ END REPEAT`)}`);
+};
+
+/**
+ * Performs the ML.ANNOTATE_IMAGE function on the given source table.
+ *
+ * @param {Resolvable} source_table represents the source object table
+ * @param {String} output_table name of the output table
+ * @param {Resolvable} model the remote model with a REMOTE_SERVICE_TYPE of CLOUD_AI_VISION_V1
+ * @param {Array} features specifies one or more feature names of supported Vision API features
+ * @param {Object} options the configuration object for the {@link obj_table_ml} function
+ *
+ * @see {@link https://cloud.google.com/bigquery/docs/reference/standard-sql/bigqueryml-syntax-annotate-image}
+ */
+function annotate_image(source_table, output_table, model, features, options) {
+ let feature_names = features.map((f) => `'${f}'`).join(", ");
+ common.declare_resolvable(source_table);
+ common.declare_resolvable(model);
+ obj_table_ml(source_table, (ctx) => `SELECT * FROM ML.ANNOTATE_IMAGE(
+ MODEL ${ctx.resolve(model)},
+ TABLE ${ctx.resolve(source_table)},
+ STRUCT([${feature_names}] AS vision_features))`,
+ output_table, common.retryable_error_filter("ml_annotate_image_status"), options);
+};
+
+/**
+ * Performs the ML.TRANSCRIBE function on the given source table.
+ *
+ * @param {Resolvable} source_table represents the source object table
+ * @param {String} output_table name of the output table
+ * @param {Resolvable} model the remote model with a REMOTE_SERVICE_TYPE of CLOUD_AI_SPEECH_TO_TEXT_V2
+ * @param {Object} recognition_config the recognition configuration to override the default configuration
+ * of the specified recognizer
+ * @param {Object} options the configuration object for the {@link obj_table_ml} function
+ *
+ * @see {@link https://cloud.google.com/bigquery/docs/reference/standard-sql/bigqueryml-syntax-transcribe}
+ */
+function transcribe(source_table, output_table, model, recognition_config, options) {
+ let config = JSON.stringify(recognition_config);
+ common.declare_resolvable(source_table);
+ common.declare_resolvable(model);
+ obj_table_ml(source_table, (ctx) => `SELECT * FROM ML.TRANSCRIBE(
+ MODEL ${ctx.resolve(model)},
+ TABLE ${ctx.resolve(source_table)},
+ recognition_config => ( JSON '${config}'))`,
+ output_table, common.retryable_error_filter("ml_transcribe_status"), options);
+};
+
+/**
+ * Performs the ML.PROCESS_DOCUMENT function on the given source table.
+ *
+ * @param {Resolvable} source_table represents the source object table
+ * @param {String} output_table name of the output table
+ * @param {Resolvable} model the remote model with a REMOTE_SERVICE_TYPE of CLOUD_AI_DOCUMENT_V1
+ * @param {Object} options the configuration object for the {@link obj_table_ml} function
+ *
+ * @see {@link https://cloud.google.com/bigquery/docs/reference/standard-sql/bigqueryml-syntax-process-document
+ */
+function process_document(source_table, output_table, model, options) {
+ common.declare_resolvable(source_table);
+ common.declare_resolvable(model);
+ obj_table_ml(source_table, (ctx) => `SELECT * FROM ML.PROCESS_DOCUMENT(
+ MODEL ${ctx.resolve(model)},
+ TABLE ${ctx.resolve(source_table)})`,
+ output_table, common.retryable_error_filter("ml_process_document_status"), options);
+};
+
+/**
+ * Performs the ML.GENERATE_TEXT function on visual content in the given source table.
+ *
+ * @param {Resolvable} source_table represents the source object table
+ * @param {String} output_table name of the output table
+ * @param {Resolvable} model name the remote model with the `gemini-pro-vision` endpoint
+ * @param {String} prompt the prompt text for the LLM
+ * @param {Object} llm_config extra configurations to the LLM
+ * @param {Object} options the configuration object for the {@link obj_table_ml} function
+ *
+ * @see {@link https://cloud.google.com/bigquery/docs/reference/standard-sql/bigqueryml-syntax-generate-text#gemini-pro-vision
+ */
+function vision_generate_text(source_table, output_table, model, prompt, llm_config, options) {
+ let config = {
+ prompt: prompt,
+ ...llm_config
+ };
+ common.declare_resolvable(source_table);
+ common.declare_resolvable(model);
+ obj_table_ml(source_table, (ctx) => `SELECT * FROM ML.GENERATE_TEXT(
+ MODEL ${ctx.resolve(model)},
+ TABLE ${ctx.resolve(source_table)},
+ STRUCT(
+ ${Object.entries(config).map(([k, v]) => `${JSON.stringify(v)} AS ${k}`).join(",")}
+ ))`,
+ output_table, common.retryable_error_filter("ml_generate_text_status"), options);
+}
+
+module.exports = {
+ annotate_image: annotate_image,
+ transcribe: transcribe,
+ process_document: process_document,
+ vision_generate_text: vision_generate_text,
+ obj_table_ml: obj_table_ml,
+};
diff --git a/modules/structured_table_ml.js b/modules/structured_table_ml.js
new file mode 100644
index 0000000..d356619
--- /dev/null
+++ b/modules/structured_table_ml.js
@@ -0,0 +1,166 @@
+const common = require("./utils.js");
+
+/**
+ * A generic structured table ML pipeline.
+ * It incrementally performs an ML operation on rows from the source table
+ * and merges to the output table until all rows are processed or runs longer
+ * than the specific duration.
+ *
+ * @param {String} output_table name of the output table
+ * @param {String | Array} unique_keys column name(s) for identifying an unique row in the source table
+ * @param {String} ml_function the name of the BQML function to call
+ * @param {Resolvable} ml_model the remote model to use for the ML operation
+ * @param {String | Function} source_query either a query string or a Contextable function to produce the
+ * query on the source data for the ML operation and it must have the unique key
+ * columns selected in addition to other fields
+ * @param {String} accept_filter a SQL boolean expression for accepting a row to the output table after
+ * the ML operation
+ * @param {Object} ml_configs configurations for the ML operation
+ * @param {Number} batch_size number of rows to process in each SQL job. Rows in the object table will be
+ * processed in batches according to the batch size. Default batch size is 10000
+ * @param {Number} batch_duration_secs the number of seconds to pass before breaking the batching loop if it
+ * hasn't been finished before within this duration. Default value is 22 hours
+ */
+function table_ml(output_table, unique_keys, ml_function, ml_model, source_query, accept_filter, ml_configs = {}, {
+ batch_size = 10000,
+ batch_duration_secs = 22 * 60 * 60
+} = {}) {
+ let source_func = (source_query instanceof Function) ? source_query : () => source_query;
+ let limit_clause = `LIMIT ${batch_size}`;
+ let ml_configs_string = Object.entries(ml_configs).map(([k, v]) => `${JSON.stringify(v)} AS ${k}`).join(',');
+
+ unique_keys = (unique_keys instanceof Array ? unique_keys : [unique_keys]);
+
+ // Initialize by creating the output table.
+ operate(`init_${output_table}`)
+ .queries((ctx) => `CREATE TABLE IF NOT EXISTS ${ctx.resolve(output_table)} AS
+ SELECT * FROM ${ml_function} (
+ MODEL ${ctx.resolve(ml_model)},
+ (SELECT * FROM (${source_func(ctx)}) ${limit_clause}),
+ STRUCT (${ml_configs_string})
+ ) WHERE ${accept_filter}`);
+
+ // Incrementally update the output table.
+ let table = publish(output_table, {
+ type: "incremental",
+ dependencies: [`init_${output_table}`],
+ uniqueKey: unique_keys,
+ });
+
+ // Repeatedly find new rows from the source table, performs the ML operation, and merges the result to the output table
+ table.preOps((ctx) => `${ctx.when(ctx.incremental(), `
+ REPEAT --;`)}`);
+ table.query((ctx) => `
+ SELECT * FROM ${ml_function} (
+ MODEL ${ctx.resolve(ml_model)},
+ (SELECT S.* FROM (${source_func(ctx)}) AS S
+ ${ctx.when(ctx.incremental(),
+ `WHERE NOT EXISTS (SELECT * FROM ${ctx.resolve(output_table)} AS T WHERE ${unique_keys.map((k) => `S.${k} = T.${k}`).join(' AND ')})`)} ${limit_clause}),
+ STRUCT (${ml_configs_string})
+ ) WHERE ${accept_filter}`);
+ table.postOps((ctx) => `${ctx.when(ctx.incremental(), `
+ UNTIL (SELECT @@row_count) = 0 OR TIMESTAMP_DIFF(CURRENT_TIMESTAMP(), @@script.creation_time, SECOND) >= ${batch_duration_secs}
+ END REPEAT`, ``)}`);
+};
+
+/**
+ * Performs the ML.GENERATE_EMBEDDING function on the given source table.
+ *
+ * @param {Resolvable} source_table represents the source table
+ * @param {String} output_table the name of the table to store the final result
+ * @param {String | Array} unique_keys column name(s) for identifying an unique row in the source table
+ * @param {Resolvable} ml_model the remote model to use for the ML operation that uses one of the
+ * `textembedding-gecko*` Vertex AI LLMs as endpoint
+ * @param {String | Function} source_query either a query string or a Contextable function to produce the
+ * query on the source data for the ML operation and it must have the unique key
+ * columns selected in addition to other fields
+ * @param {Object} ml_configs configurations for the ML operation
+ * @param {Object} options the configuration object for the {@link table_ml} function
+ *
+ * @see {@link https://cloud.google.com/bigquery/docs/reference/standard-sql/bigqueryml-syntax-generate-embedding}
+ */
+function generate_embedding(source_table, output_table, unique_keys, ml_model, source_query, ml_configs, options) {
+ common.declare_resolvable(source_table);
+ common.declare_resolvable(ml_model);
+
+ table_ml(output_table, unique_keys, "ML.GENERATE_EMBEDDING", ml_model, source_query,
+ common.retryable_error_filter("ml_generate_embedding_status"), ml_configs, options);
+};
+
+/**
+ * Performs the ML.GENERATE_TEXT function on the given source table.
+ *
+ * @param {Resolvable} source_table represents the source table
+ * @param {String} output_table the name of the table to store the final result
+ * @param {String | Array} unique_keys column name(s) for identifying an unique row in the source table
+ * @param {Resolvable} ml_model the remote model to use for the ML operation that uses one
+ * of the Vertex AI LLM endpoints
+ * @param {String | Function} source_query either a query string or a Contextable function to produce the
+ * query on the source data for the ML operation and it must have the unique key
+ * columns selected in addition to other fields
+ * @param {Object} ml_configs configurations for the ML operation
+ * @param {Object} options the configuration object for the {@link table_ml} function
+ *
+ * @see {@link https://cloud.google.com/bigquery/docs/reference/standard-sql/bigqueryml-syntax-generate-text}
+ */
+function generate_text(source_table, output_table, unique_keys, ml_model, source_query, ml_configs, options) {
+ common.declare_resolvable(source_table);
+ common.declare_resolvable(ml_model);
+
+ table_ml(output_table, unique_keys, "ML.GENERATE_TEXT", ml_model, source_query,
+ common.retryable_error_filter("ml_generate_text_status"), ml_configs, options);
+}
+
+/**
+ * Performs the ML.UNDERSTAND_TEXT function on the given source table.
+ *
+ * @param {Resolvable} source_table represents the source table
+ * @param {String} output_table the name of the table to store the final result
+ * @param {String | Array} unique_keys column name(s) for identifying an unique row in the source table
+ * @param {Resolvable} ml_model the remote model with a REMOTE_SERVICE_TYPE of CLOUD_AI_NATURAL_LANGUAGE_V1
+ * @param {String | Function} source_query either a query string or a Contextable function to produce the
+ * query on the source data for the ML operation and it must have the unique key
+ * columns selected in addition to other fields
+ * @param {Object} ml_configs configurations for the ML operation
+ * @param {Object} options the configuration object for the {@link table_ml} function
+ *
+ * @see {@link https://cloud.google.com/bigquery/docs/reference/standard-sql/bigqueryml-syntax-understand-text}
+ */
+function understand_text(source_table, output_table, unique_keys, ml_model, source_query, ml_configs, options) {
+ common.declare_resolvable(source_table);
+ common.declare_resolvable(ml_model);
+
+ table_ml(output_table, unique_keys, "ML.UNDERSTAND_TEXT", ml_model, source_query,
+ common.retryable_error_filter("ml_understand_text_status"), ml_configs, options);
+}
+
+/**
+ * Performs the ML.TRANSLATE function on the given source table.
+ *
+ * @param {Resolvable} source_table represents the source table
+ * @param {String} output_table the name of the table to store the final result
+ * @param {String | Array} unique_keys column name(s) for identifying an unique row in the source table
+ * @param {Resolvable} ml_model the remote model with a REMOTE_SERVICE_TYPE of CLOUD_AI_TRANSLATE_V3
+ * @param {String | Function} source_query either a query string or a Contextable function to produce the
+ * query on the source data for the ML operation and it must have the unique key
+ * columns selected in addition to other fields
+ * @param {Object} ml_configs configurations for the ML operation
+ * @param {Object} options the configuration object for the {@link table_ml} function
+ *
+ * @see {@link https://cloud.google.com/bigquery/docs/reference/standard-sql/bigqueryml-syntax-translate}
+ */
+function translate(source_table, output_table, unique_keys, ml_model, source_query, ml_configs, options) {
+ common.declare_resolvable(source_table);
+ common.declare_resolvable(ml_model);
+
+ table_ml(output_table, unique_keys, "ML.TRANSLATE", ml_model, source_query,
+ common.retryable_error_filter("ml_translate_status"), ml_configs, options);
+}
+
+module.exports = {
+ table_ml: table_ml,
+ generate_embedding: generate_embedding,
+ generate_text: generate_text,
+ understand_text: understand_text,
+ translate: translate,
+}
diff --git a/modules/utils.js b/modules/utils.js
new file mode 100644
index 0000000..d61231d
--- /dev/null
+++ b/modules/utils.js
@@ -0,0 +1,22 @@
+module.exports = {
+ /**
+ * Declares the resolvable as a Dataform data source.
+ */
+ declare_resolvable: (source) => {
+ if (source.constructor === Object) {
+ declare(source);
+ } else {
+ declare({
+ name: source
+ });
+ }
+ },
+
+ /**
+ * Forms a SQL filter clause for filtering out retryable
+ * error based on a given status column.
+ */
+ retryable_error_filter: (status_col) => {
+ return `${status_col} NOT LIKE 'A retryable error occurred:%'`;
+ },
+};
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..76e57aa
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,25 @@
+{
+ "name": "bqml",
+ "lockfileVersion": 2,
+ "requires": true,
+ "packages": {
+ "": {
+ "name": "bqml",
+ "dependencies": {
+ "@dataform/core": "3.0.0-beta.4"
+ }
+ },
+ "node_modules/@dataform/core": {
+ "version": "3.0.0-beta.4",
+ "resolved": "https://registry.npmjs.org/@dataform/core/-/core-3.0.0-beta.4.tgz",
+ "integrity": "sha512-1mCimb4hxeO2iSsdkjSquq15rt8xKKNieX63ENqpWtjqtJwnpBmY8IyzufWjsuEiT3iqqWR/1A0aUbUa5kEtsg=="
+ }
+ },
+ "dependencies": {
+ "@dataform/core": {
+ "version": "3.0.0-beta.4",
+ "resolved": "https://registry.npmjs.org/@dataform/core/-/core-3.0.0-beta.4.tgz",
+ "integrity": "sha512-1mCimb4hxeO2iSsdkjSquq15rt8xKKNieX63ENqpWtjqtJwnpBmY8IyzufWjsuEiT3iqqWR/1A0aUbUa5kEtsg=="
+ }
+ }
+}
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..d6c011d
--- /dev/null
+++ b/package.json
@@ -0,0 +1,6 @@
+{
+ "name": "bqml",
+ "dependencies": {
+ "@dataform/core": "3.0.0-beta.4"
+ }
+}