Package org.h2.mode
Class FunctionsPostgreSQL
- java.lang.Object
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- org.h2.expression.Expression
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- org.h2.expression.OperationN
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- org.h2.expression.function.FunctionN
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- org.h2.mode.ModeFunction
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- org.h2.mode.FunctionsPostgreSQL
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- All Implemented Interfaces:
ExpressionWithVariableParameters
,NamedExpression
,HasSQL
,Typed
public final class FunctionsPostgreSQL extends ModeFunction
Functions forMode.ModeEnum.PostgreSQL
compatibility mode.
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Field Summary
Fields Modifier and Type Field Description private static int
ARRAY_TO_STRING
private static int
CURRENT_DATABASE
private static int
CURRTID2
private static int
FORMAT_TYPE
private static java.util.HashMap<java.lang.String,FunctionInfo>
FUNCTIONS
private static int
HAS_DATABASE_PRIVILEGE
private static int
HAS_SCHEMA_PRIVILEGE
private static int
HAS_TABLE_PRIVILEGE
private static int
LASTVAL
private static int
OBJ_DESCRIPTION
private static int
PG_ENCODING_TO_CHAR
private static int
PG_GET_EXPR
private static int
PG_GET_INDEXDEF
private static int
PG_GET_USERBYID
private static int
PG_POSTMASTER_START_TIME
private static int
PG_RELATION_SIZE
private static int
PG_STAT_GET_NUMSCANS
private static int
PG_TABLE_IS_VISIBLE
private static int
SET_CONFIG
private static int
TO_DATE
private static int
TO_TIMESTAMP
private static int
VERSION
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Fields inherited from class org.h2.mode.ModeFunction
info, VAR_ARGS
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Fields inherited from class org.h2.expression.OperationN
args, argsCount, type
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Fields inherited from class org.h2.expression.Expression
AUTO_PARENTHESES, MAP_IN_AGGREGATE, MAP_IN_WINDOW, MAP_INITIAL, WITH_PARENTHESES, WITHOUT_PARENTHESES
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Fields inherited from interface org.h2.util.HasSQL
ADD_PLAN_INFORMATION, DEFAULT_SQL_FLAGS, NO_CASTS, QUOTE_ONLY_WHEN_REQUIRED, REPLACE_LOBS_FOR_TRACE, TRACE_SQL_FLAGS
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Constructor Summary
Constructors Modifier Constructor Description private
FunctionsPostgreSQL(FunctionInfo info)
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description protected void
checkParameterCount(int len)
Check if the parameter count is correct.private static java.lang.String
encodingToChar(int code)
static FunctionsPostgreSQL
getFunction(java.lang.String upperName)
Returns mode-specific function for a given name, ornull
.private static Value
getIndexdef(SessionLocal session, int indexId, Value ordinalPosition, Value pretty)
private static java.lang.String
getUserbyid(SessionLocal session, int uid)
Value
getValue(SessionLocal session)
Return the resulting value for the current row.Expression
optimize(SessionLocal session)
Try to optimize the expression.private static Value
relationSize(SessionLocal session, Value tableOidOrName)
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Methods inherited from class org.h2.mode.ModeFunction
doneWithParameters, getArgumentsValues, getFunction, getName, getNullOrValue, isEverything, optimizeArguments
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Methods inherited from class org.h2.expression.function.FunctionN
getUnenclosedSQL, getValue
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Methods inherited from class org.h2.expression.OperationN
addParameter, getCost, getSubexpression, getSubexpressionCount, getType, mapColumns, optimizeArguments, setEvaluatable, updateAggregate
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Methods inherited from class org.h2.expression.Expression
addFilterConditions, createIndexConditions, getAlias, getBooleanValue, getColumnName, getColumnNameForView, getEnclosedSQL, getNonAliasExpression, getNotIfPossible, getNullable, getSchemaName, getSQL, getSQL, getSQL, getSQL, getTableAlias, getTableName, getWhenSQL, getWhenValue, isConstant, isIdentity, isNullConstant, isValueSet, isWhenConditionOperand, needParentheses, optimizeCondition, toString, writeExpressions, writeExpressions
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
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Methods inherited from interface org.h2.util.HasSQL
getTraceSQL
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Field Detail
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CURRENT_DATABASE
private static final int CURRENT_DATABASE
- See Also:
- Constant Field Values
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CURRTID2
private static final int CURRTID2
- See Also:
- Constant Field Values
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FORMAT_TYPE
private static final int FORMAT_TYPE
- See Also:
- Constant Field Values
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HAS_DATABASE_PRIVILEGE
private static final int HAS_DATABASE_PRIVILEGE
- See Also:
- Constant Field Values
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HAS_SCHEMA_PRIVILEGE
private static final int HAS_SCHEMA_PRIVILEGE
- See Also:
- Constant Field Values
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HAS_TABLE_PRIVILEGE
private static final int HAS_TABLE_PRIVILEGE
- See Also:
- Constant Field Values
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LASTVAL
private static final int LASTVAL
- See Also:
- Constant Field Values
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VERSION
private static final int VERSION
- See Also:
- Constant Field Values
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OBJ_DESCRIPTION
private static final int OBJ_DESCRIPTION
- See Also:
- Constant Field Values
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PG_ENCODING_TO_CHAR
private static final int PG_ENCODING_TO_CHAR
- See Also:
- Constant Field Values
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PG_GET_EXPR
private static final int PG_GET_EXPR
- See Also:
- Constant Field Values
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PG_GET_INDEXDEF
private static final int PG_GET_INDEXDEF
- See Also:
- Constant Field Values
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PG_GET_USERBYID
private static final int PG_GET_USERBYID
- See Also:
- Constant Field Values
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PG_POSTMASTER_START_TIME
private static final int PG_POSTMASTER_START_TIME
- See Also:
- Constant Field Values
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PG_RELATION_SIZE
private static final int PG_RELATION_SIZE
- See Also:
- Constant Field Values
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PG_TABLE_IS_VISIBLE
private static final int PG_TABLE_IS_VISIBLE
- See Also:
- Constant Field Values
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SET_CONFIG
private static final int SET_CONFIG
- See Also:
- Constant Field Values
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ARRAY_TO_STRING
private static final int ARRAY_TO_STRING
- See Also:
- Constant Field Values
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PG_STAT_GET_NUMSCANS
private static final int PG_STAT_GET_NUMSCANS
- See Also:
- Constant Field Values
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TO_DATE
private static final int TO_DATE
- See Also:
- Constant Field Values
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TO_TIMESTAMP
private static final int TO_TIMESTAMP
- See Also:
- Constant Field Values
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FUNCTIONS
private static final java.util.HashMap<java.lang.String,FunctionInfo> FUNCTIONS
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Constructor Detail
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FunctionsPostgreSQL
private FunctionsPostgreSQL(FunctionInfo info)
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Method Detail
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getFunction
public static FunctionsPostgreSQL getFunction(java.lang.String upperName)
Returns mode-specific function for a given name, ornull
.- Parameters:
upperName
- the upper-case name of a function- Returns:
- the function with specified name or
null
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checkParameterCount
protected void checkParameterCount(int len)
Description copied from class:ModeFunction
Check if the parameter count is correct.- Overrides:
checkParameterCount
in classModeFunction
- Parameters:
len
- the number of parameters set
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optimize
public Expression optimize(SessionLocal session)
Description copied from class:Expression
Try to optimize the expression.- Specified by:
optimize
in classExpression
- Parameters:
session
- the session- Returns:
- the optimized expression
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getValue
public Value getValue(SessionLocal session)
Description copied from class:Expression
Return the resulting value for the current row.
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encodingToChar
private static java.lang.String encodingToChar(int code)
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getIndexdef
private static Value getIndexdef(SessionLocal session, int indexId, Value ordinalPosition, Value pretty)
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getUserbyid
private static java.lang.String getUserbyid(SessionLocal session, int uid)
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relationSize
private static Value relationSize(SessionLocal session, Value tableOidOrName)
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