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
Fields inherited from class org.apache.calcite.sql.SqlNode
EMPTY_ARRAY, pos
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Constructor Summary
ConstructorDescriptionSqlUseSchema
(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.SqlOperator
Get the schema name.getSqlHandler
(SqlHandlerConfig config) 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
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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:
getOperandList
in classorg.apache.calcite.sql.SqlCall
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getOperator
public org.apache.calcite.sql.SqlOperator getOperator()- Specified by:
getOperator
in classorg.apache.calcite.sql.SqlCall
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unparse
public void unparse(org.apache.calcite.sql.SqlWriter writer, int leftPrec, int rightPrec) - Overrides:
unparse
in classorg.apache.calcite.sql.SqlCall
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getSqlHandler
- Overrides:
getSqlHandler
in 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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