org.apache.flink.sql.parser.ddl

Class SqlAlterTable

java.lang.Object

org.apache.calcite.sql.SqlNode

org.apache.calcite.sql.SqlCall

org.apache.flink.sql.parser.ddl.SqlAlterTable

All Implemented Interfaces:

Cloneable

Direct Known Subclasses:

SqlAddPartitions, SqlAlterTableAddConstraint, SqlAlterTableCompact, SqlAlterTableDropColumn, SqlAlterTableDropConstraint, SqlAlterTableDropPrimaryKey, SqlAlterTableDropWatermark, SqlAlterTableOptions, SqlAlterTableRename, SqlAlterTableRenameColumn, SqlAlterTableReset, SqlAlterTableSchema, SqlDropPartitions

public abstract class SqlAlterTable
extends org.apache.calcite.sql.SqlCall

Abstract class to describe statements like ALTER TABLE [IF EXISTS] [[catalogName.] dataBasesName].tableName ...

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SqlAlterTable.AlterTableContext Alter table context.

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	ifTableExists
static org.apache.calcite.sql.SqlSpecialOperator	OPERATOR
protected org.apache.calcite.sql.SqlNodeList	partitionSpec
protected org.apache.calcite.sql.SqlIdentifier	tableIdentifier

Fields inherited from class org.apache.calcite.sql.SqlNode

EMPTY_ARRAY, pos

Constructor Summary

Constructors

Constructor and Description
SqlAlterTable(org.apache.calcite.sql.parser.SqlParserPos pos, org.apache.calcite.sql.SqlIdentifier tableName, boolean ifTableExists)
SqlAlterTable(org.apache.calcite.sql.parser.SqlParserPos pos, org.apache.calcite.sql.SqlIdentifier tableName, org.apache.calcite.sql.SqlNodeList partitionSpec)
SqlAlterTable(org.apache.calcite.sql.parser.SqlParserPos pos, org.apache.calcite.sql.SqlIdentifier tableName, org.apache.calcite.sql.SqlNodeList partitionSpec, boolean ifTableExists)

Method Summary

Modifier and Type	Method and Description
String[]	fullTableName()
org.apache.calcite.sql.SqlOperator	getOperator()
LinkedHashMap<String,String>	getPartitionKVs() Get partition spec as key-value strings.
org.apache.calcite.sql.SqlNodeList	getPartitionSpec() Returns the partition spec if the ALTER should be applied to partitions, and null otherwise.
org.apache.calcite.sql.SqlIdentifier	getTableName()
boolean	ifTableExists() Whether to ignore the error if the table doesn't exist.
void	unparse(org.apache.calcite.sql.SqlWriter writer, int leftPrec, int rightPrec)

Methods inherited from class org.apache.calcite.sql.SqlCall

accept, clone, equalsDeep, findValidOptions, getCallSignature, getFunctionQuantifier, getKind, getMonotonicity, getOperandList, isCountStar, isExpanded, operand, operandCount, setOperand, validate

Methods inherited from class org.apache.calcite.sql.SqlNode

clone, clone, cloneArray, equalDeep, equalDeep, equalsDeep, getParserPosition, isA, toList, toList, toSqlString, toSqlString, toSqlString, toString, unparseWithParentheses, validateExpr

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

OPERATOR

public static final org.apache.calcite.sql.SqlSpecialOperator OPERATOR

tableIdentifier

protected final org.apache.calcite.sql.SqlIdentifier tableIdentifier

partitionSpec

protected final org.apache.calcite.sql.SqlNodeList partitionSpec

ifTableExists

protected final boolean ifTableExists

Constructor Detail

SqlAlterTable

public SqlAlterTable(org.apache.calcite.sql.parser.SqlParserPos pos,
                     org.apache.calcite.sql.SqlIdentifier tableName,
                     @Nullable
                     org.apache.calcite.sql.SqlNodeList partitionSpec,
                     boolean ifTableExists)

SqlAlterTable

public SqlAlterTable(org.apache.calcite.sql.parser.SqlParserPos pos,
                     org.apache.calcite.sql.SqlIdentifier tableName,
                     boolean ifTableExists)

SqlAlterTable

public SqlAlterTable(org.apache.calcite.sql.parser.SqlParserPos pos,
                     org.apache.calcite.sql.SqlIdentifier tableName,
                     @Nullable
                     org.apache.calcite.sql.SqlNodeList partitionSpec)

Method Detail

getOperator

public org.apache.calcite.sql.SqlOperator getOperator()

Specified by:

getOperator in class org.apache.calcite.sql.SqlCall

getTableName

public org.apache.calcite.sql.SqlIdentifier getTableName()

unparse

public void unparse(org.apache.calcite.sql.SqlWriter writer,
                    int leftPrec,
                    int rightPrec)

Overrides:

unparse in class org.apache.calcite.sql.SqlCall

fullTableName

public String[] fullTableName()

getPartitionSpec

public org.apache.calcite.sql.SqlNodeList getPartitionSpec()

Returns the partition spec if the ALTER should be applied to partitions, and null otherwise.

getPartitionKVs

public LinkedHashMap<String,String> getPartitionKVs()

Get partition spec as key-value strings.

ifTableExists

public boolean ifTableExists()

Whether to ignore the error if the table doesn't exist.

Returns:

true when IF EXISTS is specified.