OCLOperators Sqlpassthrough
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SomeClass.sqlpassthrough('SqlExpression',Type1OfTupleResult,Type2OfTupleResult,...) | SomeClass.sqlpassthrough('SqlExpression',Type1OfTupleResult,Type2OfTupleResult,...) | ||
'''Note''': There is also the operator [[OCLOperators PSEval]] that uses OCL instead of SQL. | '''Note''': There is also the operator, [[OCLOperators PSEval]], that uses OCL instead of SQL. | ||
Example of how the OCL | Example of how the OCL looks like to call a stored procedure: | ||
Anvandare.sqlpassthrough('sp_Upd_Losen ' + self.AnvId.asString + ', \<nowiki>''</nowiki> + self.Anvandarnamn + '\', @aNyttLosenord', Int32) | Anvandare.sqlpassthrough('sp_Upd_Losen ' + self.AnvId.asString + ', \<nowiki>''</nowiki> + self.Anvandarnamn + '\', @aNyttLosenord', Int32) | ||
Notes | Notes: | ||
* @aNyttLosenord here is automatically available because it's a variable available when the function is called | * @aNyttLosenord here is automatically available because it's a variable available when the function is called | ||
* You need to quote strings to be passed (if they aren't variables), like ''self.Anvandarnamn'' above. The \' is an escaped quote in OCL ([[Escape codes]]) | * You need to quote strings to be passed (if they aren't variables), like ''self.Anvandarnamn'' above. The \' is an escaped quote in OCL ([[Escape codes]]) | ||
* Int32 at the end is the SQL server return code | * Int32 at the end is the SQL server return code | ||
* Your expression starts with a '''class''' not an object | * Your expression starts with a '''class,''' not an object | ||
A use case and examples of using sqlPassThrough can be found here "[[PSExpression , or how to do things in the DB from MDriven]]" | A use case and examples of using sqlPassThrough can be found here "[[PSExpression , or how to do things in the DB from MDriven|PSExpression, or how to do things in the DB from MDriven]]" | ||
Also look | Also, look here: [[OCLOperators sqlpassthroughobjects]] | ||
[[Category:OCLOperators]] | [[Category:OCLOperators]] | ||
Revision as of 07:11, 6 March 2023
SomeClass.sqlpassthrough('SqlExpression',Type1OfTupleResult,Type2OfTupleResult,...)
Note: There is also the operator, OCLOperators PSEval, that uses OCL instead of SQL.
Example of how the OCL looks like to call a stored procedure:
Anvandare.sqlpassthrough('sp_Upd_Losen ' + self.AnvId.asString + ', \'' + self.Anvandarnamn + '\', @aNyttLosenord', Int32)
Notes:
- @aNyttLosenord here is automatically available because it's a variable available when the function is called
- You need to quote strings to be passed (if they aren't variables), like self.Anvandarnamn above. The \' is an escaped quote in OCL (Escape codes)
- Int32 at the end is the SQL server return code
- Your expression starts with a class, not an object
A use case and examples of using sqlPassThrough can be found here "PSExpression, or how to do things in the DB from MDriven"
Also, look here: OCLOperators sqlpassthroughobjects
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