org.apache.flink.sql.parser.ddl

类 SqlAlterTable

java.lang.Object

org.apache.calcite.sql.SqlNode

org.apache.calcite.sql.SqlCall

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

所有已实现的接口:

Cloneable

直接已知子类:

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

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

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

嵌套类概要

嵌套类

限定符和类型	类和说明
static class	SqlAlterTable.AlterTableContext Alter table context.

字段概要

字段

限定符和类型	字段和说明
protected boolean	ifTableExists
static org.apache.calcite.sql.SqlSpecialOperator	OPERATOR
protected org.apache.calcite.sql.SqlNodeList	partitionSpec
protected org.apache.calcite.sql.SqlIdentifier	tableIdentifier

从类继承的字段 org.apache.calcite.sql.SqlNode

EMPTY_ARRAY, pos

构造器概要

构造器

构造器和说明
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)

方法概要

限定符和类型	方法和说明
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)

从类继承的方法 org.apache.calcite.sql.SqlCall

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

从类继承的方法 org.apache.calcite.sql.SqlNode

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

从类继承的方法 java.lang.Object

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

字段详细资料

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

构造器详细资料

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)

方法详细资料

getOperator

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

指定者:

getOperator 在类中 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)

覆盖:

unparse 在类中 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.

返回:

true when IF EXISTS is specified.