tightened up is/is not null filter expressions (FB-1741) (#2260)

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Covers tightening up handling filter expressions that contain is/is not null ops. These filters may have to be translated into PQL calls to be passed to the executor and even though sql3 language supports nullability for any data type, currently only BSI fields are nullable at the storage engine level (there is a ticket to add support for non-BSI field here FB-1689: IS SQL Argument returns incorrect error) so when these fields are used in filter conditions we need to handle BSI and non-BSI fields differently.

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pokeeffe-molecula 2022-10-27 13:11:14 -05:00 • committed by Fletcher Haynes

parent 957ba4086b

commit b3753c3c5d

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