Package com.kingsrook.qqq.backend.module.rdbms.fieldfunctions
package com.kingsrook.qqq.backend.module.rdbms.fieldfunctions
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ClassDescriptionRDBMS-specific extension of
BackendFieldFunctionAdapterInterfacefor adapting aFieldFunctioninto SQL expressions.RDBMS adapter for theStringLengthFunctionthat generates aCHAR_LENGTH(col)SQL expression.RDBMS adapter for theSubStringFunctionthat generates SQLSUBSTRING(col FROM ? [FOR ?])expressions.RDBMS adapter for theWeekdayOfDateFunctionthat generates MySQL-compatibleWEEKDAY(col) + 1SQL expressions.RDBMS adapter for theWeekdayOfDateTimeFunctionthat generates MySQL-compatibleWEEKDAY(CONVERT_TZ(col, ?, ?)) + 1SQL expressions.