db2_fdw 18.2.0 Enable push down functions#116

Merged

temuenz merged 122 commits into

Enable-Push-Down-Functions

May 17, 2026

Commits on Jan 12, 2026

#105 Introducing db2GetForeignUpperPaths
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Commits on Jan 18, 2026

still not working properly. refer to pg_fdw for clarification.
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Commits on Jan 20, 2026

reworks all the depare functions to match the pg_fdw implementation more closely
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removed all code no longer required by PG >= v13
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added some later PG_VERSION_NUM sections for compatibility of the code vor PG 13-18
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Commits on Jan 21, 2026

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add fetchsize to the fdw
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Commits on Jan 28, 2026

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first working version of aggregate push down
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direct update and direct delete now work, but the code is likely not final yet
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Commits on Apr 19, 2026

fixing query like "select empno, firstnme,lastname, salary + bonus + comm from sample.employee where salary > 8000 and lastname like 'L%';"
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Commits on May 3, 2026

porting fixes for #110, #111, #112 and #113 into this branch
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Commits on May 9, 2026

Commits on May 10, 2026