Class SqlUseSchema
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.SqlUseSchema
- All Implemented Interfaces:
Cloneable
Sql parser tree node to represent
USE SCHEMA statement.-
Field Summary
FieldsFields inherited from class org.apache.calcite.sql.SqlNode
EMPTY_ARRAY, pos -
Constructor Summary
ConstructorsConstructorDescriptionSqlUseSchema(org.apache.calcite.sql.parser.SqlParserPos pos, org.apache.calcite.sql.SqlIdentifier schema) -
Method Summary
Modifier and TypeMethodDescriptionList<org.apache.calcite.sql.SqlNode> org.apache.calcite.sql.SqlOperatorGet the schema name.getSqlHandler(SqlHandlerConfig config) voidunparse(org.apache.calcite.sql.SqlWriter writer, int leftPrec, int rightPrec) Methods inherited from class org.apache.drill.exec.planner.sql.parser.DrillSqlCall
getSqlHandlerMethods inherited from class org.apache.calcite.sql.SqlCall
accept, clone, equalsDeep, findValidOptions, getCallSignature, getFunctionQuantifier, getKind, getMonotonicity, isCountStar, isExpanded, operand, operandCount, setOperand, validateMethods inherited from class org.apache.calcite.sql.SqlNode
clone, clone, cloneArray, equalDeep, equalDeep, equalsDeep, getParserPosition, isA, toList, toList, toSqlString, toSqlString, toSqlString, toString, unparseWithParentheses, validateExpr
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Field Details
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OPERATOR
public static final org.apache.calcite.sql.SqlSpecialOperator OPERATOR
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Constructor Details
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SqlUseSchema
public SqlUseSchema(org.apache.calcite.sql.parser.SqlParserPos pos, org.apache.calcite.sql.SqlIdentifier schema)
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Method Details
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getOperandList
- Specified by:
getOperandListin classorg.apache.calcite.sql.SqlCall
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getOperator
public org.apache.calcite.sql.SqlOperator getOperator()- Specified by:
getOperatorin classorg.apache.calcite.sql.SqlCall
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unparse
public void unparse(org.apache.calcite.sql.SqlWriter writer, int leftPrec, int rightPrec) - Overrides:
unparsein classorg.apache.calcite.sql.SqlCall
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getSqlHandler
- Overrides:
getSqlHandlerin classDrillSqlCall
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getSchema
Get the schema name. A schema identifier can contain more than one level of schema. Ex: "dfs.home" identifier contains two levels "dfs" and "home".- Returns:
- schemas combined with "."
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