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Replace the unused GIN index with a BTREE index #362

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Merged
merged 1 commit into from
Nov 28, 2024
Merged

Replace the unused GIN index with a BTREE index #362

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2 changes: 1 addition & 1 deletion lessons/227/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,7 @@ CREATE TABLE product (
jdoc jsonb
);

CREATE INDEX product_inx ON product USING GIN (jdoc);
CREATE INDEX idx__product__price ON product using BTREE(((jdoc -> 'price')::NUMERIC));

INSERT INTO product(jdoc) VALUES ('{"name": "Shampoo", "price": 7.90, "stock": 100}');
INSERT INTO product(jdoc) VALUES ('{"name": "Hairspray", "price": 11.50, "stock": 100}');
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2 changes: 1 addition & 1 deletion lessons/227/client/store.go
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Expand Up @@ -34,7 +34,7 @@ func (p *product) create(pg *postgres, mg *mongodb, db string, m *metrics) (err

if db == "pg" {
b, err := json.Marshal(p)
fail(err, "json.Marshal(p) filaed")
fail(err, "json.Marshal(p) failed")

err = pg.dbpool.QueryRow(pg.context, `INSERT INTO product(jdoc) VALUES ($1) RETURNING id`, b).Scan(&p.PostgresId)

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8 changes: 4 additions & 4 deletions lessons/227/migration/0-sql.yaml
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Expand Up @@ -24,13 +24,13 @@ data:

COMMIT;

VACUUM full;

-- Create Tables

CREATE TABLE product (
id SERIAL PRIMARY KEY,
jdoc jsonb
);

CREATE INDEX product_inx ON product USING GIN (jdoc);

CREATE INDEX idx__product__price ON product using BTREE(((jdoc -> 'price')::NUMERIC));

VACUUM full;