Test

.github/workflows/build.yml

@@ -1,109 +1,143 @@
 name: build
 on: [push, pull_request]
 jobs:
-  ubuntu:
-    runs-on: ${{ matrix.os }}
+  # ubuntu:
+  #   runs-on: ${{ matrix.os }}
+  #   if: ${{ !startsWith(github.ref_name, 'mac') && !startsWith(github.ref_name, 'windows') }}
+  #   strategy:
+  #     fail-fast: false
+  #     matrix:
+  #       include:
+  #         - postgres: 19
+  #           os: ubuntu-24.04
+  #         - postgres: 18
+  #           os: ubuntu-24.04
+  #         - postgres: 17
+  #           os: ubuntu-24.04
+  #         - postgres: 16
+  #           os: ubuntu-24.04-arm
+  #         - postgres: 15
+  #           os: ubuntu-22.04
+  #         - postgres: 14
+  #           os: ubuntu-22.04-arm
+  #         - postgres: 13
+  #           os: ubuntu-22.04
+  #   steps:
+  #     - uses: actions/checkout@v5
+  #     - uses: ankane/setup-postgres@v1
+  #       with:
+  #         postgres-version: ${{ matrix.postgres }}
+  #         dev-files: true
+  #     - run: make
+  #       env:
+  #         PG_CFLAGS: -DUSE_ASSERT_CHECKING -Wall -Wextra -Werror -Wno-unused-parameter -Wno-sign-compare ${{ matrix.postgres >= 18 && '-Wno-missing-field-initializers' || '' }}
+  #     - run: |
+  #         export PG_CONFIG=`which pg_config`
+  #         sudo --preserve-env=PG_CONFIG make install
+  #     - run: make installcheck
+  #     - if: ${{ failure() }}
+  #       run: cat regression.diffs
+  #     - run: |
+  #         sudo apt-get update
+  #         sudo apt-get install libipc-run-perl
+  #     - run: make prove_installcheck
+  # mac:
+  #   runs-on: ${{ matrix.os }}
+  #   if: ${{ !startsWith(github.ref_name, 'windows') }}
+  #   strategy:
+  #     fail-fast: false
+  #     matrix:
+  #       include:
+  #         - postgres: 18
+  #           os: macos-26
+  #         - postgres: 14
+  #           os: macos-15-intel
+  #   steps:
+  #     - uses: actions/checkout@v5
+  #     - uses: ankane/setup-postgres@v1
+  #       with:
+  #         postgres-version: ${{ matrix.postgres }}
+  #     - run: make
+  #       env:
+  #         PG_CFLAGS: -DUSE_ASSERT_CHECKING -Wall -Wextra -Werror -Wno-unused-parameter -Wno-unknown-warning-option ${{ matrix.postgres >= 18 && '-Wno-missing-field-initializers' || '' }}
+  #     - run: make install
+  #     - run: make installcheck
+  #     - if: ${{ failure() }}
+  #       run: cat regression.diffs
+  #     # Homebrew Postgres does not enable TAP tests, so need to download
+  #     - run: |
+  #         brew install cpanm
+  #         cpanm --notest IPC::Run
+  #         wget -q https://github.com/postgres/postgres/archive/refs/tags/$TAG.tar.gz
+  #         tar xf $TAG.tar.gz
+  #         mv postgres-$TAG postgres
+  #       env:
+  #         TAG: ${{ matrix.postgres == 18 && 'REL_18_0' || 'REL_14_19' }}
+  #     - run: make prove_installcheck PROVE_FLAGS="-I ./postgres/src/test/perl -I ./test/perl"
+  #       env:
+  #         PERL5LIB: /Users/runner/perl5/lib/perl5
+  #     - run: make clean && $(brew --prefix llvm@$LLVM_VERSION)/bin/scan-build --status-bugs make
+  #       env:
+  #         LLVM_VERSION: ${{ matrix.os == 'macos-26' && 20 || 18 }}
+  #         PG_CFLAGS: -DUSE_ASSERT_CHECKING
+  # windows:
+  #   runs-on: ${{ matrix.os }}
+  #   if: ${{ !startsWith(github.ref_name, 'mac') }}
+  #   strategy:
+  #     fail-fast: false
+  #     matrix:
+  #       include:
+  #         - postgres: 17
+  #           os: windows-2025
+  #         - postgres: 14
+  #           os: windows-2022
+  #   steps:
+  #     - uses: actions/checkout@v5
+  #     - uses: ankane/setup-postgres@v1
+  #       with:
+  #         postgres-version: ${{ matrix.postgres }}
+  #     - run: |
+  #         call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat" && ^
+  #         nmake /NOLOGO /F Makefile.win && ^
+  #         nmake /NOLOGO /F Makefile.win install && ^
+  #         nmake /NOLOGO /F Makefile.win installcheck ${{ matrix.postgres != 17 && 'PG_REGRESS=$(PGROOT)\bin\pg_regress' || '' }} && ^
+  #         nmake /NOLOGO /F Makefile.win clean && ^
+  #         nmake /NOLOGO /F Makefile.win uninstall
+  #       shell: cmd
+  #     - if: ${{ failure() }}
+  #       run: cat regression.diffs
+  i386:
     if: ${{ !startsWith(github.ref_name, 'mac') && !startsWith(github.ref_name, 'windows') }}
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - postgres: 19
-            os: ubuntu-24.04
-          - postgres: 18
-            os: ubuntu-24.04
-          - postgres: 17
-            os: ubuntu-24.04
-          - postgres: 16
-            os: ubuntu-24.04-arm
-          - postgres: 15
-            os: ubuntu-22.04
-          - postgres: 14
-            os: ubuntu-22.04-arm
-          - postgres: 13
-            os: ubuntu-22.04
+    runs-on: ubuntu-latest
+    container:
+      image: alpine:3.23
+      options: --platform linux/386
     steps:
-      - uses: actions/checkout@v5
-      - uses: ankane/setup-postgres@v1
-        with:
-          postgres-version: ${{ matrix.postgres }}
-          dev-files: true
-      - run: make
-        env:
-          PG_CFLAGS: -DUSE_ASSERT_CHECKING -Wall -Wextra -Werror -Wno-unused-parameter -Wno-sign-compare ${{ matrix.postgres >= 18 && '-Wno-missing-field-initializers' || '' }}
+      - run: apk add --update build-base git openrc perl perl-ipc-run perl-test-harness-utils postgresql18 postgresql18-dev
+      - run: mkdir /run/openrc && touch /run/openrc/softlevel && rc-update add postgresql && rc-service postgresql start
       - run: |
-          export PG_CONFIG=`which pg_config`
-          sudo --preserve-env=PG_CONFIG make install
-      - run: make installcheck
-      - if: ${{ failure() }}
-        run: cat regression.diffs
-      # - run: |
-      #     sudo apt-get update
-      #     sudo apt-get install libipc-run-perl
-      # - run: make prove_installcheck
-  mac:
-    runs-on: ${{ matrix.os }}
-    if: ${{ !startsWith(github.ref_name, 'windows') }}
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - postgres: 18
-            os: macos-26
-          - postgres: 14
-            os: macos-15-intel
-    steps:
-      - uses: actions/checkout@v5
-      - uses: ankane/setup-postgres@v1
-        with:
-          postgres-version: ${{ matrix.postgres }}
-      - run: make
+          git clone https://github.com/${{ github.repository }}.git pgvector
+          cd pgvector
+          git fetch origin ${{ github.ref }}
+          git reset --hard FETCH_HEAD
+          make
+          make install
+          chown -R postgres .
+          su postgres -c "make installcheck"
+          su postgres -c "make prove_installcheck"
         env:
-          PG_CFLAGS: -DUSE_ASSERT_CHECKING -Wall -Wextra -Werror -Wno-unused-parameter -Wno-unknown-warning-option ${{ matrix.postgres >= 18 && '-Wno-missing-field-initializers' || '' }}
-      - run: make install
-      - run: make installcheck
+          PG_CFLAGS: -DUSE_ASSERT_CHECKING -Wall -Wextra -Werror -Wno-unused-parameter -Wno-sign-compare -Wno-missing-field-initializers
       - if: ${{ failure() }}
-        run: cat regression.diffs
-      # Homebrew Postgres does not enable TAP tests, so need to download
-      # - run: |
-      #     brew install cpanm
-      #     cpanm --notest IPC::Run
-      #     wget -q https://github.com/postgres/postgres/archive/refs/tags/$TAG.tar.gz
-      #     tar xf $TAG.tar.gz
-      #     mv postgres-$TAG postgres
-      #   env:
-      #     TAG: ${{ matrix.postgres == 18 && 'REL_18_0' || 'REL_14_19' }}
-      # - run: make prove_installcheck PROVE_FLAGS="-I ./postgres/src/test/perl -I ./test/perl"
-      #   env:
-      #     PERL5LIB: /Users/runner/perl5/lib/perl5
-      # - run: make clean && $(brew --prefix llvm@$LLVM_VERSION)/bin/scan-build --status-bugs make
-      #   env:
-      #     LLVM_VERSION: ${{ matrix.os == 'macos-26' && 20 || 18 }}
-      #     PG_CFLAGS: -DUSE_ASSERT_CHECKING
-  windows:
-    runs-on: ${{ matrix.os }}
-    if: ${{ !startsWith(github.ref_name, 'mac') }}
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - postgres: 17
-            os: windows-2025
-          - postgres: 14
-            os: windows-2022
-    steps:
-      - uses: actions/checkout@v5
-      - uses: ankane/setup-postgres@v1
-        with:
-          postgres-version: ${{ matrix.postgres }}
-      - run: |
-          call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat" && ^
-          nmake /NOLOGO /F Makefile.win && ^
-          nmake /NOLOGO /F Makefile.win install && ^
-          nmake /NOLOGO /F Makefile.win installcheck ${{ matrix.postgres != 17 && 'PG_REGRESS=$(PGROOT)\bin\pg_regress' || '' }} && ^
-          nmake /NOLOGO /F Makefile.win clean && ^
-          nmake /NOLOGO /F Makefile.win uninstall
-        shell: cmd
-      - if: ${{ failure() }}
-        run: cat regression.diffs
-
+        run: cat pgvector/regression.diffs
+  # valgrind:
+  #   if: ${{ !startsWith(github.ref_name, 'mac') && !startsWith(github.ref_name, 'windows') }}
+  #   runs-on: ubuntu-latest
+  #   steps:
+  #     - uses: actions/checkout@v5
+  #     - uses: ankane/setup-postgres-valgrind@v1
+  #       with:
+  #         postgres-version: 18
+  #         check-ub: yes
+  #     - run: make OPTFLAGS=""
+  #     - run: sudo --preserve-env=PG_CONFIG make install
+  #     - run: make installcheck

LICENSE

@@ -1,4 +1,4 @@
-Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
+Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
 
 Portions Copyright (c) 1994, The Regents of the University of California
 

Makefile

@@ -27,6 +27,11 @@ ifneq ($(filter ppc64%, $(shell uname -m)), )
 	OPTFLAGS =
 endif
 
+# RISC-V64 doesn't support -march=native
+ifeq ($(shell uname -m), riscv64)
+	OPTFLAGS =
+endif
+
 # For auto-vectorization:
 # - GCC (needs -ftree-vectorize OR -O3) - https://gcc.gnu.org/projects/tree-ssa/vectorization.html
 # - Clang (could use pragma instead) - https://llvm.org/docs/Vectorizers.html

README.md

@@ -776,6 +776,7 @@ Algol | [pgvector-algol](https://github.com/pgvector/pgvector-algol)
 C | [pgvector-c](https://github.com/pgvector/pgvector-c)
 C++ | [pgvector-cpp](https://github.com/pgvector/pgvector-cpp)
 C#, F#, Visual Basic | [pgvector-dotnet](https://github.com/pgvector/pgvector-dotnet)
+COBOL | [pgvector-cobol](https://github.com/pgvector/pgvector-cobol)
 Crystal | [pgvector-crystal](https://github.com/pgvector/pgvector-crystal)
 D | [pgvector-d](https://github.com/pgvector/pgvector-d)
 Dart | [pgvector-dart](https://github.com/pgvector/pgvector-dart)

src/halfvec.c

@@ -23,6 +23,10 @@
 #include "varatt.h"
 #endif
 
+#if PG_VERSION_NUM >= 170000
+#include "parser/scansup.h"
+#endif
+
 #define STATE_DIMS(x) (ARR_DIMS(x)[0] - 1)
 #define CreateStateDatums(dim) palloc(sizeof(Datum) * (dim + 1))
 
@@ -133,9 +137,9 @@ InitHalfVector(int dim)
 	return result;
 }
 
-/*
- * Check for whitespace, since array_isspace() is static
- */
+#if PG_VERSION_NUM >= 170000
+#define halfvec_isspace(ch) scanner_isspace(ch)
+#else
 static inline bool
 halfvec_isspace(char ch)
 {
@@ -148,6 +152,7 @@ halfvec_isspace(char ch)
 		return true;
 	return false;
 }
+#endif
 
 /*
  * Check state array

src/hnsw.c

@@ -12,11 +12,7 @@
 #include "fmgr.h"
 #include "hnsw.h"
 #include "miscadmin.h"
-#include "nodes/nodes.h"
-#include "nodes/pathnodes.h"
 #include "nodes/pg_list.h"
-#include "storage/lockdefs.h"
-#include "storage/shmem.h"
 #include "utils/float.h"
 #include "utils/guc.h"
 #include "utils/relcache.h"

src/hnswbuild.c

@@ -47,36 +47,16 @@
 #include "catalog/index.h"
 #include "catalog/pg_type_d.h"
 #include "commands/progress.h"
-#include "common/relpath.h"
 #include "hnsw.h"
 #include "miscadmin.h"
 #include "nodes/execnodes.h"
 #include "optimizer/optimizer.h"
-#include "storage/block.h"
-#include "storage/buf.h"
 #include "storage/bufmgr.h"
-#include "storage/bufpage.h"
-#include "storage/condition_variable.h"
-#include "storage/dsm.h"
-#include "storage/itemid.h"
-#include "storage/itemptr.h"
-#include "storage/lockdefs.h"
-#include "storage/lwlock.h"
-#include "storage/off.h"
-#include "storage/shm_toc.h"
-#include "storage/shmem.h"
-#include "storage/spin.h"
 #include "tcop/tcopprot.h"
 #include "utils/datum.h"
 #include "utils/memutils.h"
 #include "utils/rel.h"
-#include "utils/relcache.h"
 #include "utils/snapmgr.h"
-#include "utils/snapshot.h"
-
-#if PG_VERSION_NUM < 190000
-#include "storage/item.h"
-#endif
 
 #if PG_VERSION_NUM >= 160000
 #include "varatt.h"
@@ -90,11 +70,6 @@
 
 #if PG_VERSION_NUM >= 140000
 #include "utils/backend_status.h"
-#endif
-
-#if PG_VERSION_NUM >= 170000
-#include "utils/wait_event_types.h"
-#elif PG_VERSION_NUM >= 140000
 #include "utils/wait_event.h"
 #endif
 

src/hnswinsert.c

@@ -2,26 +2,13 @@
 
 #include "access/genam.h"
 #include "access/generic_xlog.h"
-#include "common/relpath.h"
 #include "hnsw.h"
 #include "nodes/execnodes.h"
-#include "storage/block.h"
-#include "storage/buf.h"
 #include "storage/bufmgr.h"
-#include "storage/bufpage.h"
-#include "storage/itemid.h"
-#include "storage/itemptr.h"
 #include "storage/lmgr.h"
-#include "storage/lockdefs.h"
-#include "storage/off.h"
 #include "utils/datum.h"
 #include "utils/memutils.h"
 #include "utils/rel.h"
-#include "utils/relcache.h"
-
-#if PG_VERSION_NUM < 190000
-#include "storage/item.h"
-#endif
 
 #if PG_VERSION_NUM >= 160000
 #include "varatt.h"

src/hnswscan.c

@@ -2,16 +2,12 @@
 
 #include "access/genam.h"
 #include "access/relscan.h"
-#include "access/sdir.h"
-#include "access/skey.h"
 #include "hnsw.h"
 #include "lib/pairingheap.h"
 #include "miscadmin.h"
 #include "nodes/pg_list.h"
 #include "pgstat.h"
-#include "storage/itemptr.h"
 #include "storage/lmgr.h"
-#include "storage/lockdefs.h"
 #include "utils/float.h"
 #include "utils/memutils.h"
 #include "utils/relcache.h"

src/hnswutils.c

@@ -5,24 +5,16 @@
 #include "access/genam.h"
 #include "access/generic_xlog.h"
 #include "common/hashfn.h"
-#include "common/relpath.h"
 #include "fmgr.h"
 #include "hnsw.h"
 #include "lib/pairingheap.h"
 #include "nodes/pg_list.h"
 #include "port/atomics.h"
 #include "sparsevec.h"
-#include "storage/block.h"
-#include "storage/buf.h"
 #include "storage/bufmgr.h"
-#include "storage/bufpage.h"
-#include "storage/itemptr.h"
-#include "storage/lwlock.h"
-#include "storage/off.h"
 #include "utils/datum.h"
 #include "utils/memdebug.h"
 #include "utils/rel.h"
-#include "utils/relcache.h"
 #include "vector.h"
 
 #if PG_VERSION_NUM >= 160000

src/hnswvacuum.c

@@ -3,24 +3,12 @@
 #include "access/genam.h"
 #include "access/generic_xlog.h"
 #include "commands/vacuum.h"
-#include "common/relpath.h"
 #include "hnsw.h"
 #include "nodes/pg_list.h"
-#include "storage/block.h"
-#include "storage/buf.h"
 #include "storage/bufmgr.h"
-#include "storage/bufpage.h"
-#include "storage/itemptr.h"
 #include "storage/lmgr.h"
-#include "storage/lockdefs.h"
-#include "storage/off.h"
 #include "utils/memutils.h"
 #include "utils/rel.h"
-#include "utils/relcache.h"
-
-#if PG_VERSION_NUM < 190000
-#include "storage/item.h"
-#endif
 
 #if PG_VERSION_NUM >= 160000
 #include "varatt.h"

src/ivfbuild.c

@@ -2,7 +2,6 @@
 
 #include <float.h>
 
-#include "access/attnum.h"
 #include "access/genam.h"
 #include "access/generic_xlog.h"
 #include "access/itup.h"
@@ -17,38 +16,19 @@
 #include "catalog/pg_operator_d.h"
 #include "catalog/pg_type_d.h"
 #include "commands/progress.h"
-#include "common/relpath.h"
-#include "executor/tuptable.h"
 #include "fmgr.h"
 #include "ivfflat.h"
 #include "miscadmin.h"
 #include "nodes/execnodes.h"
 #include "optimizer/optimizer.h"
-#include "storage/block.h"
-#include "storage/buf.h"
 #include "storage/bufmgr.h"
-#include "storage/bufpage.h"
-#include "storage/condition_variable.h"
-#include "storage/dsm.h"
-#include "storage/itemptr.h"
-#include "storage/lockdefs.h"
-#include "storage/off.h"
-#include "storage/shm_toc.h"
-#include "storage/shmem.h"
-#include "storage/spin.h"
 #include "tcop/tcopprot.h"
 #include "utils/memutils.h"
 #include "utils/rel.h"
-#include "utils/relcache.h"
 #include "utils/sampling.h"
 #include "utils/snapmgr.h"
-#include "utils/snapshot.h"
 #include "utils/tuplesort.h"
 
-#if PG_VERSION_NUM < 190000
-#include "storage/item.h"
-#endif
-
 #if PG_VERSION_NUM >= 160000
 #include "varatt.h"
 #endif
@@ -61,11 +41,6 @@
 
 #if PG_VERSION_NUM >= 140000
 #include "utils/backend_status.h"
-#endif
-
-#if PG_VERSION_NUM >= 170000
-#include "utils/wait_event_types.h"
-#elif PG_VERSION_NUM >= 140000
 #include "utils/wait_event.h"
 #endif
 

src/ivfflat.c

@@ -9,10 +9,7 @@
 #include "commands/vacuum.h"
 #include "fmgr.h"
 #include "ivfflat.h"
-#include "nodes/nodes.h"
-#include "nodes/pathnodes.h"
 #include "nodes/pg_list.h"
-#include "storage/lockdefs.h"
 #include "utils/float.h"
 #include "utils/guc.h"
 #include "utils/relcache.h"

src/ivfinsert.c

@@ -5,26 +5,13 @@
 #include "access/genam.h"
 #include "access/generic_xlog.h"
 #include "access/itup.h"
-#include "common/relpath.h"
 #include "fmgr.h"
 #include "ivfflat.h"
 #include "nodes/execnodes.h"
-#include "storage/block.h"
-#include "storage/buf.h"
 #include "storage/bufmgr.h"
-#include "storage/bufpage.h"
-#include "storage/itemid.h"
-#include "storage/itemptr.h"
 #include "storage/lmgr.h"
-#include "storage/lockdefs.h"
-#include "storage/off.h"
 #include "utils/memutils.h"
 #include "utils/rel.h"
-#include "utils/relcache.h"
-
-#if PG_VERSION_NUM < 190000
-#include "storage/item.h"
-#endif
 
 /*
  * Find the list that minimizes the distance function

src/ivfscan.c

@@ -2,32 +2,20 @@
 
 #include <float.h>
 
-#include "access/attnum.h"
 #include "access/genam.h"
 #include "access/itup.h"
 #include "access/relscan.h"
-#include "access/sdir.h"
-#include "access/skey.h"
 #include "access/tupdesc.h"
 #include "catalog/pg_operator_d.h"
 #include "catalog/pg_type_d.h"
-#include "common/relpath.h"
-#include "executor/tuptable.h"
 #include "fmgr.h"
 #include "lib/pairingheap.h"
 #include "ivfflat.h"
 #include "miscadmin.h"
 #include "pgstat.h"
-#include "storage/block.h"
-#include "storage/buf.h"
 #include "storage/bufmgr.h"
-#include "storage/bufpage.h"
-#include "storage/itemid.h"
-#include "storage/itemptr.h"
-#include "storage/off.h"
 #include "utils/memutils.h"
 #include "utils/rel.h"
-#include "utils/relcache.h"
 #include "utils/snapmgr.h"
 #include "utils/tuplesort.h"
 

src/ivfutils.c

@@ -2,15 +2,11 @@
 
 #include "access/genam.h"
 #include "access/generic_xlog.h"
-#include "common/relpath.h"
 #include "fmgr.h"
 #include "halfutils.h"
 #include "halfvec.h"
 #include "ivfflat.h"
-#include "storage/block.h"
-#include "storage/buf.h"
 #include "storage/bufmgr.h"
-#include "storage/bufpage.h"
 #include "utils/relcache.h"
 #include "utils/varbit.h"
 #include "vector.h"

src/ivfvacuum.c

@@ -4,14 +4,8 @@
 #include "access/generic_xlog.h"
 #include "access/itup.h"
 #include "commands/vacuum.h"
-#include "common/relpath.h"
 #include "ivfflat.h"
-#include "storage/block.h"
-#include "storage/buf.h"
 #include "storage/bufmgr.h"
-#include "storage/bufpage.h"
-#include "storage/itemptr.h"
-#include "storage/off.h"
 #include "utils/relcache.h"
 
 #if PG_VERSION_NUM >= 180000

src/sparsevec.c

@@ -22,6 +22,10 @@
 #include "varatt.h"
 #endif
 
+#if PG_VERSION_NUM >= 170000
+#include "parser/scansup.h"
+#endif
+
 typedef struct SparseInputElement
 {
 	int32		index;
@@ -155,9 +159,9 @@ InitSparseVector(int dim, int nnz)
 	return result;
 }
 
-/*
- * Check for whitespace, since array_isspace() is static
- */
+#if PG_VERSION_NUM >= 170000
+#define sparsevec_isspace(ch) scanner_isspace(ch)
+#else
 static inline bool
 sparsevec_isspace(char ch)
 {
@@ -170,6 +174,7 @@ sparsevec_isspace(char ch)
 		return true;
 	return false;
 }
+#endif
 
 /*
  * Compare indices

src/vector.c

@@ -26,6 +26,10 @@
 #include "varatt.h"
 #endif
 
+#if PG_VERSION_NUM >= 170000
+#include "parser/scansup.h"
+#endif
+
 #define STATE_DIMS(x) (ARR_DIMS(x)[0] - 1)
 #define CreateStateDatums(dim) palloc(sizeof(Datum) * (dim + 1))
 
@@ -129,9 +133,9 @@ InitVector(int dim)
 	return result;
 }
 
-/*
- * Check for whitespace, since array_isspace() is static
- */
+#if PG_VERSION_NUM >= 170000
+#define vector_isspace(ch) scanner_isspace(ch)
+#else
 static inline bool
 vector_isspace(char ch)
 {
@@ -144,6 +148,7 @@ vector_isspace(char ch)
 		return true;
 	return false;
 }
+#endif
 
 /*
  * Check state array

test/t/005_ivfflat_query_recall.pl

@@ -16,29 +16,19 @@ $node->safe_psql("postgres",
 	"INSERT INTO tst SELECT i, ARRAY[random(), random(), random()] FROM generate_series(1, 100000) i;"
 );
 
-# Check each index type
-my @operators = ("<->", "<#>", "<=>");
-my @opclasses = ("vector_l2_ops", "vector_ip_ops", "vector_cosine_ops");
+# Add index
+$node->safe_psql("postgres", "CREATE INDEX ON tst USING ivfflat (v vector_l2_ops);");
 
-for my $i (0 .. $#operators)
+# Test 100% recall
+for (1 .. 20)
 {
-	my $operator = $operators[$i];
-	my $opclass = $opclasses[$i];
-
-	# Add index
-	$node->safe_psql("postgres", "CREATE INDEX ON tst USING ivfflat (v $opclass);");
-
-	# Test 100% recall
-	for (1 .. 20)
-	{
-		my $id = int(rand() * 100000);
-		my $query = $node->safe_psql("postgres", "SELECT v FROM tst WHERE i = $id;");
-		my $res = $node->safe_psql("postgres", qq(
-			SET enable_seqscan = off;
-			SELECT v FROM tst ORDER BY v <-> '$query' LIMIT 1;
-		));
-		is($res, $query);
-	}
+	my $id = int(rand() * 100000);
+	my $query = $node->safe_psql("postgres", "SELECT v FROM tst WHERE i = $id;");
+	my $res = $node->safe_psql("postgres", qq(
+		SET enable_seqscan = off;
+		SELECT v FROM tst ORDER BY v <-> '$query' LIMIT 1;
+	));
+	is($res, $query);
 }
 
 done_testing();