Moving from GIST to GIN indexes for text search in PINES

diff --git a/Open-ILS/src/sql/Pg/version-upgrade/pines-2.3-2.4.0-upgrade-db.sql b/Open-ILS/src/sql/Pg/version-upgrade/pines-2.3-2.4.0-upgrade-db.sql
index 6dd0bfc..2a5fb5b 100644 (file)
--- a/Open-ILS/src/sql/Pg/version-upgrade/pines-2.3-2.4.0-upgrade-db.sql
+++ b/Open-ILS/src/sql/Pg/version-upgrade/pines-2.3-2.4.0-upgrade-db.sql
@@ -121,12 +121,12 @@ CREATE INDEX metabib_subject_field_entry_value_idx ON metabib.subject_field_entr
 CREATE INDEX metabib_title_field_entry_value_idx ON metabib.title_field_entry (SUBSTRING(value,1,1024)) WHERE index_vector = ''::TSVECTOR;
 
 -- Re-create indexes for PINES (if they exist in vanilla EG)
-CREATE INDEX authority_full_rec_index_vector_idx ON authority.full_rec USING GIST (index_vector);
-CREATE INDEX metabib_full_rec_index_vector_idx ON metabib.real_full_rec USING GIST (index_vector);
-CREATE INDEX metabib_author_field_entry_index_vector_idx ON metabib.author_field_entry USING GIST (index_vector);
-CREATE INDEX metabib_keyword_field_entry_index_vector_idx ON metabib.keyword_field_entry USING GIST (index_vector);
-CREATE INDEX metabib_series_field_entry_index_vector_idx ON metabib.series_field_entry USING GIST (index_vector);
-CREATE INDEX metabib_subject_field_entry_index_vector_idx ON metabib.subject_field_entry USING GIST (index_vector);
+CREATE INDEX authority_full_rec_index_vector_idx ON authority.full_rec USING GIN (index_vector);
+CREATE INDEX metabib_full_rec_index_vector_idx ON metabib.real_full_rec USING GIN (index_vector);
+CREATE INDEX metabib_author_field_entry_index_vector_idx ON metabib.author_field_entry USING GIN (index_vector);
+CREATE INDEX metabib_keyword_field_entry_index_vector_idx ON metabib.keyword_field_entry USING GIN (index_vector);
+CREATE INDEX metabib_series_field_entry_index_vector_idx ON metabib.series_field_entry USING GIN (index_vector);
+CREATE INDEX metabib_subject_field_entry_index_vector_idx ON metabib.subject_field_entry USING GIN (index_vector);
 
 -- metabib.full_rec, with insert/update/delete rules
 CREATE OR REPLACE VIEW metabib.full_rec AS
@@ -985,7 +985,7 @@ CREATE TABLE metabib.combined_identifier_field_entry (
     index_vector    tsvector    NOT NULL
 );
 CREATE UNIQUE INDEX metabib_combined_identifier_field_entry_fakepk_idx ON metabib.combined_identifier_field_entry (record, COALESCE(metabib_field::TEXT,''));
-CREATE INDEX metabib_combined_identifier_field_entry_index_vector_idx ON metabib.combined_identifier_field_entry USING GIST (index_vector);
+CREATE INDEX metabib_combined_identifier_field_entry_index_vector_idx ON metabib.combined_identifier_field_entry USING GIN (index_vector);
 CREATE INDEX metabib_combined_identifier_field_source_idx ON metabib.combined_identifier_field_entry (metabib_field);
 
 CREATE TABLE metabib.combined_title_field_entry (
@@ -994,7 +994,7 @@ CREATE TABLE metabib.combined_title_field_entry (
        index_vector    tsvector        NOT NULL
 );
 CREATE UNIQUE INDEX metabib_combined_title_field_entry_fakepk_idx ON metabib.combined_title_field_entry (record, COALESCE(metabib_field::TEXT,''));
-CREATE INDEX metabib_combined_title_field_entry_index_vector_idx ON metabib.combined_title_field_entry USING GIST (index_vector);
+CREATE INDEX metabib_combined_title_field_entry_index_vector_idx ON metabib.combined_title_field_entry USING GIN (index_vector);
 CREATE INDEX metabib_combined_title_field_source_idx ON metabib.combined_title_field_entry (metabib_field);
 
 CREATE TABLE metabib.combined_author_field_entry (
@@ -1003,7 +1003,7 @@ CREATE TABLE metabib.combined_author_field_entry (
        index_vector    tsvector        NOT NULL
 );
 CREATE UNIQUE INDEX metabib_combined_author_field_entry_fakepk_idx ON metabib.combined_author_field_entry (record, COALESCE(metabib_field::TEXT,''));
-CREATE INDEX metabib_combined_author_field_entry_index_vector_idx ON metabib.combined_author_field_entry USING GIST (index_vector);
+CREATE INDEX metabib_combined_author_field_entry_index_vector_idx ON metabib.combined_author_field_entry USING GIN (index_vector);
 CREATE INDEX metabib_combined_author_field_source_idx ON metabib.combined_author_field_entry (metabib_field);
 
 CREATE TABLE metabib.combined_subject_field_entry (
@@ -1012,7 +1012,7 @@ CREATE TABLE metabib.combined_subject_field_entry (
        index_vector    tsvector        NOT NULL
 );
 CREATE UNIQUE INDEX metabib_combined_subject_field_entry_fakepk_idx ON metabib.combined_subject_field_entry (record, COALESCE(metabib_field::TEXT,''));
-CREATE INDEX metabib_combined_subject_field_entry_index_vector_idx ON metabib.combined_subject_field_entry USING GIST (index_vector);
+CREATE INDEX metabib_combined_subject_field_entry_index_vector_idx ON metabib.combined_subject_field_entry USING GIN (index_vector);
 CREATE INDEX metabib_combined_subject_field_source_idx ON metabib.combined_subject_field_entry (metabib_field);
 
 CREATE TABLE metabib.combined_keyword_field_entry (
@@ -1021,7 +1021,7 @@ CREATE TABLE metabib.combined_keyword_field_entry (
        index_vector    tsvector        NOT NULL
 );
 CREATE UNIQUE INDEX metabib_combined_keyword_field_entry_fakepk_idx ON metabib.combined_keyword_field_entry (record, COALESCE(metabib_field::TEXT,''));
-CREATE INDEX metabib_combined_keyword_field_entry_index_vector_idx ON metabib.combined_keyword_field_entry USING GIST (index_vector);
+CREATE INDEX metabib_combined_keyword_field_entry_index_vector_idx ON metabib.combined_keyword_field_entry USING GIN (index_vector);
 CREATE INDEX metabib_combined_keyword_field_source_idx ON metabib.combined_keyword_field_entry (metabib_field);
 
 CREATE TABLE metabib.combined_series_field_entry (
@@ -1030,7 +1030,7 @@ CREATE TABLE metabib.combined_series_field_entry (
        index_vector    tsvector        NOT NULL
 );
 CREATE UNIQUE INDEX metabib_combined_series_field_entry_fakepk_idx ON metabib.combined_series_field_entry (record, COALESCE(metabib_field::TEXT,''));
-CREATE INDEX metabib_combined_series_field_entry_index_vector_idx ON metabib.combined_series_field_entry USING GIST (index_vector);
+CREATE INDEX metabib_combined_series_field_entry_index_vector_idx ON metabib.combined_series_field_entry USING GIN (index_vector);
 CREATE INDEX metabib_combined_series_field_source_idx ON metabib.combined_series_field_entry (metabib_field);
 
 CREATE OR REPLACE FUNCTION metabib.update_combined_index_vectors(bib_id BIGINT) RETURNS VOID AS $func$