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Diffstat (limited to 'src/postprocess/postgres.txt')
| -rw-r--r-- | src/postprocess/postgres.txt | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/src/postprocess/postgres.txt b/src/postprocess/postgres.txt deleted file mode 100644 index e47ca00..0000000 --- a/src/postprocess/postgres.txt +++ /dev/null | |||
| @@ -1,76 +0,0 @@ | |||
| 1 | CREATE TABLE telefonbuch ( | ||
| 2 | id SERIAL PRIMARY KEY, | ||
| 3 | presence_flag bigint, | ||
| 4 | reverse_flag bigint, | ||
| 5 | biz_flag bigint, | ||
| 6 | zip character varying(64)[] DEFAULT '{}', | ||
| 7 | nachname character varying(256)[] DEFAULT '{}', | ||
| 8 | vorname character varying(192)[] DEFAULT '{}', | ||
| 9 | zusaetze character varying(512)[] DEFAULT '{}', | ||
| 10 | strasse character varying(64)[] DEFAULT '{}', | ||
| 11 | hausnummer character varying(32)[] DEFAULT '{}', | ||
| 12 | verweise text[] DEFAULT '{}', | ||
| 13 | ort character varying(64)[] DEFAULT '{}', | ||
| 14 | vorwahl character varying(10)[] DEFAULT '{}', | ||
| 15 | rufnummer character varying(32)[] DEFAULT '{}', | ||
| 16 | web character varying(256)[] DEFAULT '{}', | ||
| 17 | email character varying(256)[] DEFAULT '{}', | ||
| 18 | coords character varying(32)[] DEFAULT '{}' | ||
| 19 | ); | ||
| 20 | |||
| 21 | COPY Telefonbuch ( presence_flag, reverse_flag, biz_flag, zip, nachname, vorname, zusaetze, strasse, hausnummer, verweise, ort, vorwahl, rufnummer, web, email, coords ) FROM 'telefonbuch.txt' WITH NULL AS ''; | ||
| 22 | |||
| 23 | CREATE MATERIALIZED VIEW indexed_view_nachname AS SELECT id, value, row FROM Telefonbuch CROSS JOIN unnest(nachname) WITH ORDINALITY u(value, row) WITH data; | ||
| 24 | CREATE MATERIALIZED VIEW indexed_view_vorname AS SELECT id, value, row FROM Telefonbuch CROSS JOIN unnest(vorname) WITH ORDINALITY u(value, row) WITH data; | ||
| 25 | CREATE MATERIALIZED VIEW indexed_view_vorwahl AS SELECT id, value, row FROM Telefonbuch CROSS JOIN unnest(vorwahl) WITH ORDINALITY u(value, row) WITH data; | ||
| 26 | CREATE MATERIALIZED VIEW indexed_view_rufnummer AS SELECT id, value, row FROM Telefonbuch CROSS JOIN unnest(rufnummer) WITH ORDINALITY u(value, row) WITH data; | ||
| 27 | CREATE MATERIALIZED VIEW indexed_view_strasse AS SELECT id, value, row FROM Telefonbuch CROSS JOIN unnest(strasse) WITH ORDINALITY u(value, row) WITH data; | ||
| 28 | CREATE MATERIALIZED VIEW indexed_view_hausnummer AS SELECT id, value, row FROM Telefonbuch CROSS JOIN unnest(hausnummer) WITH ORDINALITY u(value, row) WITH data; | ||
| 29 | CREATE MATERIALIZED VIEW indexed_view_zusaetze AS SELECT id, value, row FROM Telefonbuch CROSS JOIN unnest(zusaetze) WITH ORDINALITY u(value, row) WITH data; | ||
| 30 | CREATE MATERIALIZED VIEW indexed_view_verweise AS SELECT id, value, row FROM Telefonbuch CROSS JOIN unnest(verweise) WITH ORDINALITY u(value, row) WITH data; | ||
| 31 | CREATE MATERIALIZED VIEW indexed_view_zip AS SELECT id, value, row FROM Telefonbuch CROSS JOIN unnest(zip) WITH ORDINALITY u(value, row) WITH data; | ||
| 32 | CREATE MATERIALIZED VIEW indexed_view_ort AS SELECT id, value, row FROM Telefonbuch CROSS JOIN unnest(ort) WITH ORDINALITY u(value, row) WITH data; | ||
| 33 | CREATE MATERIALIZED VIEW indexed_view_web AS SELECT id, value, row FROM Telefonbuch CROSS JOIN unnest(web) WITH ORDINALITY u(value, row) WITH data; | ||
| 34 | CREATE MATERIALIZED VIEW indexed_view_email AS SELECT id, value, row FROM Telefonbuch CROSS JOIN unnest(email) WITH ORDINALITY u(value, row) WITH data; | ||
| 35 | |||
| 36 | # equality indexes | ||
| 37 | CREATE INDEX idx_nachname ON indexed_view_nachname USING btree (value); | ||
| 38 | CREATE INDEX idx_vorname ON indexed_view_vorname USING btree (value); | ||
| 39 | CREATE INDEX idx_vorwahl ON indexed_view_vorwahl USING btree (value); | ||
| 40 | CREATE INDEX idx_rufnummer ON indexed_view_rufnummer USING btree (value); | ||
| 41 | CREATE INDEX idx_strasse ON indexed_view_strasse USING btree (value); | ||
| 42 | CREATE INDEX idx_hausnummer ON indexed_view_hausnummer USING btree (value); | ||
| 43 | CREATE INDEX idx_zusaetze ON indexed_view_zusaetze USING btree (value); | ||
| 44 | CREATE INDEX idx_verweise ON indexed_view_verweise USING btree (value); | ||
| 45 | CREATE INDEX idx_zip ON indexed_view_zip USING btree (value); | ||
| 46 | CREATE INDEX idx_ort ON indexed_view_ort USING btree (value); | ||
| 47 | CREATE INDEX idx_web ON indexed_view_web USING btree (value); | ||
| 48 | CREATE INDEX idx_email ON indexed_view_email USING btree (value); | ||
| 49 | |||
| 50 | # full text indexes | ||
| 51 | CREATE INDEX trgm_idx_nachname ON indexed_view_nachname USING gin (value gin_trgm_ops); | ||
| 52 | CREATE INDEX trgm_idx_vorname ON indexed_view_vorname USING gin (value gin_trgm_ops); | ||
| 53 | CREATE INDEX trgm_idx_vorwahl ON indexed_view_vorwahl USING gin (value gin_trgm_ops); | ||
| 54 | CREATE INDEX trgm_idx_rufnummer ON indexed_view_rufnummer USING gin (value gin_trgm_ops); | ||
| 55 | CREATE INDEX trgm_idx_strasse ON indexed_view_strasse USING gin (value gin_trgm_ops); | ||
| 56 | CREATE INDEX trgm_idx_hausnummer ON indexed_view_hausnummer USING gin (value gin_trgm_ops); | ||
| 57 | CREATE INDEX trgm_idx_zusaetze ON indexed_view_zusaetze USING gin (value gin_trgm_ops); | ||
| 58 | CREATE INDEX trgm_idx_verweise ON indexed_view_verweise USING gin (value gin_trgm_ops); | ||
| 59 | CREATE INDEX trgm_idx_zip ON indexed_view_zip USING gin (value gin_trgm_ops); | ||
| 60 | CREATE INDEX trgm_idx_ort ON indexed_view_ort USING gin (value gin_trgm_ops); | ||
| 61 | CREATE INDEX trgm_idx_web ON indexed_view_web USING gin (value gin_trgm_ops); | ||
| 62 | CREATE INDEX trgm_idx_email ON indexed_view_email USING gin (value gin_trgm_ops); | ||
| 63 | |||
| 64 | # slow way: | ||
| 65 | SELECT * FROM Telefonbuch WHERE nachname = 'CCC'; | ||
| 66 | |||
| 67 | # using the index: | ||
| 68 | SELECT * FROM Telefonbuch | ||
| 69 | INNER JOIN indexed_view_nachname ON indexed_view_nachname.id = Telefonbuch.id | ||
| 70 | INNER JOIN indexed_view_zip ON indexed_view_zip.id = Telefonbuch.id | ||
| 71 | WHERE indexed_view_nachname.value = 'CCC' | ||
| 72 | AND indexed_view_zip.value = '10117'; | ||
| 73 | |||
| 74 | |||
| 75 | # Source: https://stackoverflow.com/questions/39480580/how-to-index-a-string-array-column-for-pg-trgm-term-any-array-column-que/39584236 | ||
| 76 | |||
