diff options
author | Matthew Somerville <matthew@mysociety.org> | 2020-07-29 09:03:56 +0100 |
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committer | Matthew Somerville <matthew@mysociety.org> | 2020-07-31 12:33:38 +0100 |
commit | bd42d6a1fcb6c8e6d89413e0ee22617625d95bad (patch) | |
tree | 2bdbeff779e44d14aa2409f9660ab3c91c9a8377 /db | |
parent | 34dd7c253d337ea922049390dc6ba44b8686e516 (diff) |
Add database index for full text search.
Diffstat (limited to 'db')
-rw-r--r-- | db/downgrade_0073---0072.sql | 2 | ||||
-rw-r--r-- | db/schema.sql | 12 | ||||
-rw-r--r-- | db/schema_0073-add-full-text-search-index.sql | 13 |
3 files changed, 27 insertions, 0 deletions
diff --git a/db/downgrade_0073---0072.sql b/db/downgrade_0073---0072.sql new file mode 100644 index 000000000..1ae19b9d7 --- /dev/null +++ b/db/downgrade_0073---0072.sql @@ -0,0 +1,2 @@ +DROP INDEX problem_fulltext_idx; +DROP INDEX comment_fulltext_idx; diff --git a/db/schema.sql b/db/schema.sql index ed21aded6..f198a287b 100644 --- a/db/schema.sql +++ b/db/schema.sql @@ -246,6 +246,12 @@ create index problem_user_id_idx on problem ( user_id ); create index problem_external_body_idx on problem(lower(external_body)); create index problem_radians_latitude_longitude_idx on problem(radians(latitude), radians(longitude)); create index problem_bodies_str_array_idx on problem USING gin(regexp_split_to_array(bodies_str, ',')); +create index problem_fulltext_idx on problem USING GIN( + to_tsvector( + 'english', + translate(id || ' ' || coalesce(external_id,'') || ' ' || coalesce(bodies_str,'') || ' ' || name || ' ' || title || ' ' || detail, '/.', ' ') + ) +); create table questionnaire ( id serial not null primary key, @@ -354,6 +360,12 @@ create table comment ( create index comment_user_id_idx on comment(user_id); create index comment_problem_id_idx on comment(problem_id); create index comment_problem_id_created_idx on comment(problem_id, created); +create index comment_fulltext_idx on comment USING GIN( + to_tsvector( + 'english', + translate(id || ' ' || problem_id || ' ' || coalesce(name,'') || ' ' || text, '/.', ' ') + ) +); -- Tokens for confirmations create table token ( diff --git a/db/schema_0073-add-full-text-search-index.sql b/db/schema_0073-add-full-text-search-index.sql new file mode 100644 index 000000000..9871386bd --- /dev/null +++ b/db/schema_0073-add-full-text-search-index.sql @@ -0,0 +1,13 @@ +CREATE INDEX CONCURRENTLY problem_fulltext_idx ON problem USING GIN( + to_tsvector( + 'DB_FULL_TEXT_SEARCH_CONFIG', + translate(id || ' ' || coalesce(external_id,'') || ' ' || coalesce(bodies_str,'') || ' ' || name || ' ' || title || ' ' || detail, '/.', ' ') + ) +); + +CREATE INDEX CONCURRENTLY comment_fulltext_idx on comment USING GIN( + to_tsvector( + 'DB_FULL_TEXT_SEARCH_CONFIG', + translate(id || ' ' || problem_id || ' ' || coalesce(name,'') || ' ' || text, '/.', ' ') + ) +); |