Package org.apache.drill.exec.planner.sql.parser

Class SqlShowSchemas

java.lang.Object

org.apache.calcite.sql.SqlNode

org.apache.calcite.sql.SqlCall

org.apache.drill.exec.planner.sql.parser.DrillSqlCall

org.apache.drill.exec.planner.sql.parser.SqlShowSchemas

All Implemented Interfaces:

Cloneable

public class SqlShowSchemas
extends DrillSqlCall

Sql parse tree node to represent statement: SHOW {DATABASES | SCHEMAS} [LIKE 'pattern' | WHERE expr]

Field Summary

Fields

Modifier and Type	Field	Description
static final org.apache.calcite.sql.SqlSpecialOperator	OPERATOR

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

EMPTY_ARRAY, pos

Constructor Summary

Constructors

Constructor	Description
SqlShowSchemas(org.apache.calcite.sql.parser.SqlParserPos pos, org.apache.calcite.sql.SqlNode likePattern, org.apache.calcite.sql.SqlNode whereClause)

Method Summary

Modifier and Type	Method	Description
org.apache.calcite.sql.SqlNode	getLikePattern()
List<org.apache.calcite.sql.SqlNode>	getOperandList()
org.apache.calcite.sql.SqlOperator	getOperator()
AbstractSqlHandler	getSqlHandler(SqlHandlerConfig config)
org.apache.calcite.sql.SqlNode	getWhereClause()
void	unparse(org.apache.calcite.sql.SqlWriter writer, int leftPrec, int rightPrec)

Methods inherited from class org.apache.drill.exec.planner.sql.parser.DrillSqlCall

getSqlHandler

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

accept, clone, equalsDeep, findValidOptions, getCallSignature, getFunctionQuantifier, getKind, getMonotonicity, 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 Details

OPERATOR

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

Constructor Details

SqlShowSchemas

public SqlShowSchemas(org.apache.calcite.sql.parser.SqlParserPos pos,
 org.apache.calcite.sql.SqlNode likePattern,
 org.apache.calcite.sql.SqlNode whereClause)

Method Details

getOperator

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

Specified by:

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

getOperandList

public List<org.apache.calcite.sql.SqlNode> getOperandList()

Specified by:

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

unparse

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

Overrides:

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

getSqlHandler

public AbstractSqlHandler getSqlHandler(SqlHandlerConfig config)

Overrides:

getSqlHandler in class DrillSqlCall

getLikePattern

public org.apache.calcite.sql.SqlNode getLikePattern()

getWhereClause

public org.apache.calcite.sql.SqlNode getWhereClause()