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### What changes were proposed in this pull request? Add column commands to the Gravitino CLI ### Why are the changes needed? Expand Gravitino CLI. Fix: #5383 ### Does this PR introduce _any_ user-facing change? No, but add extra commands. ### How was this patch tested? locally.
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clients/cli/src/main/java/org/apache/gravitino/cli/DefaultConverter.java
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| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you 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. | ||
| */ | ||
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| package org.apache.gravitino.cli; | ||
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| import org.apache.gravitino.rel.Column; | ||
| import org.apache.gravitino.rel.expressions.Expression; | ||
| import org.apache.gravitino.rel.expressions.literals.Literals; | ||
| import org.apache.gravitino.rel.types.Type; | ||
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| public class DefaultConverter { | ||
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| /** | ||
| * Converts a default value string to the appropriate internal default value. | ||
| * | ||
| * @param defaultValue The string representing the default value i.e. "current_timestamp" or a | ||
| * literal value. | ||
| * @param dataType The string representing the default type. | ||
| * @return An instance of the appropriate default value. | ||
| */ | ||
| public static Expression convert(String defaultValue, String dataType) { | ||
| Type convertedDatatype = ParseType.toType(dataType); | ||
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| if (defaultValue == null || defaultValue.isEmpty()) { | ||
| return Column.DEFAULT_VALUE_NOT_SET; | ||
| } else if (defaultValue.equalsIgnoreCase("current_timestamp")) { | ||
| return Column.DEFAULT_VALUE_OF_CURRENT_TIMESTAMP; | ||
| } else { | ||
| return Literals.of(defaultValue, convertedDatatype); | ||
| } | ||
| } | ||
| } |
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73 changes: 73 additions & 0 deletions
73
clients/cli/src/main/java/org/apache/gravitino/cli/ParseType.java
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| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you 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. | ||
| */ | ||
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| package org.apache.gravitino.cli; | ||
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| import java.util.regex.Matcher; | ||
| import java.util.regex.Pattern; | ||
| import org.apache.gravitino.rel.types.Type; | ||
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| public class ParseType { | ||
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| /** | ||
| * Parses a data type string and returns a {@link org.apache.gravitino.cli.ParsedType} object | ||
| * containing the type name and length or type name, precision, and scale if applicable. | ||
| * | ||
| * <p>This method supports SQL style types in the format of "typeName(length)" or | ||
| * "typeName(precision, scale)". For example, "varchar(10)" and "decimal(10,5)" are valid inputs. | ||
| * | ||
| * @param datatype The data type string to parse e.g. "varchar(10)" or "decimal(10,5)". | ||
| * @return a {@link org.apache.gravitino.cli.ParsedType} object representing the parsed type name. | ||
| * @throws IllegalArgumentException if the data type format is unsupported or malformed | ||
| */ | ||
| public static ParsedType parse(String datatype) { | ||
| Pattern pattern = Pattern.compile("^(\\w+)\\((\\d+)(?:,(\\d+))?\\)$"); | ||
| Matcher matcher = pattern.matcher(datatype); | ||
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| if (matcher.matches()) { | ||
| String typeName = matcher.group(1); | ||
| Integer lengthOrPrecision = Integer.parseInt(matcher.group(2)); | ||
| Integer scale = matcher.group(3) != null ? Integer.parseInt(matcher.group(3)) : null; | ||
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| if (lengthOrPrecision != null && scale != null) { | ||
| return new ParsedType(typeName, lengthOrPrecision, scale); | ||
| } else if (lengthOrPrecision != null) { | ||
| return new ParsedType(typeName, lengthOrPrecision); | ||
| } else { | ||
| throw new IllegalArgumentException("Unsupported/malformed data type: " + typeName); | ||
| } | ||
| } | ||
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| return null; | ||
| } | ||
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| public static Type toType(String datatype) { | ||
| ParsedType parsed = parse(datatype); | ||
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| if (parsed != null) { | ||
| if (parsed.getPrecision() != null && parsed.getScale() != null) { | ||
| return TypeConverter.convert(datatype, parsed.getPrecision(), parsed.getScale()); | ||
| } else if (parsed.getLength() != null) { | ||
| return TypeConverter.convert(datatype, parsed.getLength()); | ||
| } | ||
| } | ||
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| return TypeConverter.convert(datatype); | ||
| } | ||
| } |
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