v20251001-0018-enable-compression-for-tuplestore.patch
text/x-patch
Filename: v20251001-0018-enable-compression-for-tuplestore.patch
Type: text/x-patch
Part: 17
Patch
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Format: format-patch
Series: patch v20251001-0018
Subject: enable compression for tuplestore
| File | + | − |
|---|---|---|
| src/backend/utils/sort/tuplestore.c | 7 | 1 |
From b0c53c2526106f7db12f1b88772071fb351c5d65 Mon Sep 17 00:00:00 2001 From: Tomas Vondra <tomas@vondra.me> Date: Tue, 30 Sep 2025 02:30:34 +0200 Subject: [PATCH v20251001 18/25] enable compression for tuplestore disabled when random access requested --- src/backend/utils/sort/tuplestore.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/src/backend/utils/sort/tuplestore.c b/src/backend/utils/sort/tuplestore.c index c9aecab8d66..db3de5cd6b2 100644 --- a/src/backend/utils/sort/tuplestore.c +++ b/src/backend/utils/sort/tuplestore.c @@ -860,7 +860,13 @@ tuplestore_puttuple_common(Tuplestorestate *state, void *tuple) */ oldcxt = MemoryContextSwitchTo(state->context->parent); - state->myfile = BufFileCreateTemp(state->interXact); + /* + * If requested random access, can't compress the temp file. + */ + if ((state->eflags & EXEC_FLAG_BACKWARD) != 0) + state->myfile = BufFileCreateTemp(state->interXact); + else + state->myfile = BufFileCreateCompressTemp(state->interXact); MemoryContextSwitchTo(oldcxt); -- 2.51.0