org.apache.calcite.sql.fun

Class SqlTimestampAddFunction

java.lang.Object

org.apache.calcite.sql.SqlOperator

org.apache.calcite.sql.SqlFunction

org.apache.calcite.sql.fun.SqlTimestampAddFunction

class SqlTimestampAddFunction
extends SqlFunction

The TIMESTAMPADD function, which adds an interval to a timestamp.

The SQL syntax is

TIMESTAMPADD(timestamp interval, quantity, timestamp)

The interval time unit can one of the following literals:

• MICROSECOND (and synonyms SQL_TSI_MICROSECOND, FRAC_SECOND, SQL_TSI_FRAC_SECOND)
• SECOND (and synonym SQL_TSI_SECOND)
• MINUTE (and synonym SQL_TSI_MINUTE)
• HOUR (and synonym SQL_TSI_HOUR)
• DAY (and synonym SQL_TSI_DAY)
• WEEK (and synonym SQL_TSI_WEEK)
• MONTH (and synonym SQL_TSI_MONTH)
• QUARTER (and synonym SQL_TSI_QUARTER)
• YEAR (and synonym SQL_TSI_YEAR)

Returns modified timestamp.

Field Summary

Fields

Modifier and Type	Field and Description
private static SqlReturnTypeInference	RETURN_TYPE_INFERENCE

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

kind, MDX_PRECEDENCE, NL

Constructor Summary

Constructors

Constructor and Description
SqlTimestampAddFunction() Creates a SqlTimestampAddFunction.

Method Summary

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

deriveType, getFunctionType, getNameAsId, getParamNames, getParamTypes, getSqlIdentifier, getSyntax, isQuantifierAllowed, unparse, validateCall, validateQuantifier

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

acceptCall, acceptCall, adjustType, allowsFraming, argumentMustBeScalar, checkOperandCount, checkOperandTypes, constructArgNameList, constructArgTypeList, constructOperandList, createCall, createCall, createCall, createCall, equals, getAllowedSignatures, getAllowedSignatures, getKind, getLeftPrec, getMonotonicity, getMonotonicity, getName, getOperandCountRange, getOperandTypeChecker, getOperandTypeInference, getReturnTypeInference, getRightPrec, getSignatureTemplate, hashCode, inferReturnType, inferReturnType, isAggregator, isDeterministic, isDynamicFunction, isGroup, isGroupAuxiliary, isName, leftPrec, preValidateCall, requiresDecimalExpansion, requiresOrder, requiresOver, rewriteCall, rightPrec, toString, unparseListClause, unparseListClause, validateOperands, validRexOperands

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

RETURN_TYPE_INFERENCE

private static final SqlReturnTypeInference RETURN_TYPE_INFERENCE

Constructor Detail

SqlTimestampAddFunction

SqlTimestampAddFunction()

Creates a SqlTimestampAddFunction.