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Add support for MySQL ALTER TABLE partition options in parser #2211

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Apr 2, 2025
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Add support for MySQL ALTER TABLE partition options in parser #2211

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100 changes: 85 additions & 15 deletions src/main/java/net/sf/jsqlparser/statement/alter/AlterExpression.java
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@
*/
package net.sf.jsqlparser.statement.alter;

import java.util.stream.Collectors;
import net.sf.jsqlparser.expression.Expression;
import net.sf.jsqlparser.statement.ReferentialAction;
import net.sf.jsqlparser.statement.ReferentialAction.Action;
Expand Down Expand Up @@ -79,6 +80,11 @@ public class AlterExpression implements Serializable {
private String partitionType;
private Expression partitionExpression;
private List<String> partitionColumns;
private int coalescePartitionNumber;

private String exchangePartitionTableName;
private boolean exchangePartitionWithValidation;
private boolean exchangePartitionWithoutValidation;


public Index getOldIndex() {
Expand Down Expand Up @@ -524,6 +530,38 @@ public List<String> getPartitionColumns() {
return partitionColumns;
}

public void setExchangePartitionTableName(String exchangePartitionTableName) {
this.exchangePartitionTableName = exchangePartitionTableName;
}

public String getExchangePartitionTableName() {
return exchangePartitionTableName;
}

public void setCoalescePartitionNumber(int coalescePartitionNumber) {
this.coalescePartitionNumber = coalescePartitionNumber;
}

public int getCoalescePartitionNumber() {
return coalescePartitionNumber;
}

public void setExchangePartitionWithValidation(boolean exchangePartitionWithValidation) {
this.exchangePartitionWithValidation = exchangePartitionWithValidation;
}

public boolean isExchangePartitionWithValidation() {
return exchangePartitionWithValidation;
}

public void setExchangePartitionWithoutValidation(boolean exchangePartitionWithoutValidation) {
this.exchangePartitionWithoutValidation = exchangePartitionWithoutValidation;
}

public boolean isExchangePartitionWithoutValidation() {
return exchangePartitionWithoutValidation;
}

@Override
@SuppressWarnings({"PMD.CyclomaticComplexity", "PMD.NPathComplexity",
"PMD.ExcessiveMethodLength", "PMD.SwitchStmtsShouldHaveDefault"})
Expand Down Expand Up @@ -628,31 +666,63 @@ public String toString() {
&& !pkColumns.isEmpty()) {
// Oracle Multi Column Drop
b.append("DROP (").append(PlainSelect.getStringList(pkColumns)).append(')');
} else if (operation == AlterOperation.DISCARD_PARTITION && partitions != null) {
b.append("DISCARD PARTITION ").append(PlainSelect.getStringList(partitions));
if (tableOption != null) {
b.append(" ").append(tableOption);
}
} else if (operation == AlterOperation.IMPORT_PARTITION) {
b.append("IMPORT PARTITION ").append(PlainSelect.getStringList(partitions));
if (tableOption != null) {
b.append(" ").append(tableOption);
}
} else if (operation == AlterOperation.TRUNCATE_PARTITION
&& partitions != null) {
b.append("TRUNCATE PARTITION ").append(PlainSelect.getStringList(partitions));
} else if (operation == AlterOperation.COALESCE_PARTITION) {
b.append("COALESCE PARTITION ").append(coalescePartitionNumber);
} else if (operation == AlterOperation.REORGANIZE_PARTITION
&& partitions != null
&& partitionDefinitions != null) {
b.append("REORGANIZE PARTITION ")
.append(PlainSelect.getStringList(partitions))
.append(" INTO (")
.append(partitionDefinitions.stream()
.map(PartitionDefinition::toString)
.collect(Collectors.joining(", ")))
.append(")");
} else if (operation == AlterOperation.EXCHANGE_PARTITION) {
b.append("EXCHANGE PARTITION ");
b.append(partitions.get(0)).append(" WITH TABLE ").append(exchangePartitionTableName);
if (exchangePartitionWithValidation) {
b.append(" WITH VALIDATION ");
} else if (exchangePartitionWithoutValidation) {
b.append(" WITHOUT VALIDATION ");
}
} else if (operation == AlterOperation.ANALYZE_PARTITION && partitions != null) {
b.append("ANALYZE PARTITION ").append(PlainSelect.getStringList(partitions));
} else if (operation == AlterOperation.CHECK_PARTITION && partitions != null) {
b.append("CHECK PARTITION ").append(PlainSelect.getStringList(partitions));
} else if (operation == AlterOperation.OPTIMIZE_PARTITION && partitions != null) {
b.append("OPTIMIZE PARTITION ").append(PlainSelect.getStringList(partitions));
} else if (operation == AlterOperation.REBUILD_PARTITION && partitions != null) {
b.append("REBUILD PARTITION ").append(PlainSelect.getStringList(partitions));
} else if (operation == AlterOperation.REPAIR_PARTITION && partitions != null) {
b.append("REPAIR PARTITION ").append(PlainSelect.getStringList(partitions));
} else if (operation == AlterOperation.REMOVE_PARTITIONING) {
b.append("REMOVE PARTITIONING");
} else if (operation == AlterOperation.PARTITION_BY) {
b.append("PARTITION BY ").append(partitionType).append(" ");
if (partitionExpression != null) {
b.append("(").append(partitionExpression).append(") ");
} else if (partitionColumns != null && !partitionColumns.isEmpty()) {
b.append("COLUMNS(").append(String.join(", ", partitionColumns)).append(") ");
}
b.append("(");
for (int i = 0; i < partitionDefinitions.size(); i++) {
PartitionDefinition partition = partitionDefinitions.get(i);
b.append("PARTITION ").append(partition.getPartitionName())
.append(" ").append(partition.getPartitionOperation())
.append(" (").append(PlainSelect.getStringList(partition.getValues()))
.append(")");
if (partition.getStorageEngine() != null) {
b.append(" ENGINE = ").append(partition.getStorageEngine());
}
if (i < partitionDefinitions.size() - 1) {
b.append(", ");
}
}
b.append(")");

b.append("(").append(partitionDefinitions.stream()
.map(PartitionDefinition::toString)
.collect(Collectors.joining(", ")))
.append(")");
} else {
if (operation == AlterOperation.COMMENT_WITH_EQUAL_SIGN) {
b.append("COMMENT =").append(" ");
Expand Down
2 changes: 1 addition & 1 deletion src/main/java/net/sf/jsqlparser/statement/alter/AlterOperation.java
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,7 @@
package net.sf.jsqlparser.statement.alter;

public enum AlterOperation {
ADD, ALTER, DROP, DROP_PRIMARY_KEY, DROP_UNIQUE, DROP_FOREIGN_KEY, MODIFY, CHANGE, CONVERT, COLLATE, ALGORITHM, RENAME, RENAME_TABLE, RENAME_INDEX, RENAME_KEY, RENAME_CONSTRAINT, COMMENT, COMMENT_WITH_EQUAL_SIGN, UNSPECIFIC, ADD_PARTITION, DROP_PARTITION, PARTITION_BY, TRUNCATE_PARTITION, SET_TABLE_OPTION, ENGINE, FORCE, LOCK, DISCARD_TABLESPACE, IMPORT_TABLESPACE, DISABLE_KEYS, ENABLE_KEYS;
ADD, ALTER, DROP, DROP_PRIMARY_KEY, DROP_UNIQUE, DROP_FOREIGN_KEY, MODIFY, CHANGE, CONVERT, COLLATE, ALGORITHM, RENAME, RENAME_TABLE, RENAME_INDEX, RENAME_KEY, RENAME_CONSTRAINT, COMMENT, COMMENT_WITH_EQUAL_SIGN, UNSPECIFIC, ADD_PARTITION, DROP_PARTITION, DISCARD_PARTITION, IMPORT_PARTITION, TRUNCATE_PARTITION, COALESCE_PARTITION, REORGANIZE_PARTITION, EXCHANGE_PARTITION, ANALYZE_PARTITION, CHECK_PARTITION, OPTIMIZE_PARTITION, REBUILD_PARTITION, REPAIR_PARTITION, REMOVE_PARTITIONING, PARTITION_BY, SET_TABLE_OPTION, ENGINE, FORCE, LOCK, DISCARD_TABLESPACE, IMPORT_TABLESPACE, DISABLE_KEYS, ENABLE_KEYS;

public static AlterOperation from(String operation) {
return Enum.valueOf(AlterOperation.class, operation.toUpperCase());
Expand Down
14 changes: 14 additions & 0 deletions src/main/java/net/sf/jsqlparser/statement/create/table/PartitionDefinition.java
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@

import java.io.Serializable;
import java.util.List;
import net.sf.jsqlparser.statement.select.PlainSelect;

public class PartitionDefinition implements Serializable {
private String partitionName;
Expand Down Expand Up @@ -57,4 +58,17 @@ public String getStorageEngine() {
public void setStorageEngine(String storageEngine) {
this.storageEngine = storageEngine;
}

@Override
public String toString() {
StringBuilder b = new StringBuilder();
b.append("PARTITION ").append(partitionName)
.append(" ").append(partitionOperation)
.append(" (").append(PlainSelect.getStringList(values))
.append(")");
if (storageEngine != null) {
b.append(" ENGINE = ").append(storageEngine);
}
return b.toString();
}
}
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