Database package, schema and queries

sql/queries/transaction.sql

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+-- name: CreateTransaction :one
+INSERT INTO fts.transactions (
+    description, amount, category, transaction_date
+) VALUES (
+    $1, $2, $3, $4
+)
+RETURNING *;
+
+-- name: ListTransactions :many
+SELECT * FROM fts.transactions
+ORDER BY transaction_date DESC, transaction_id DESC;
+
+-- name: GetTransaction :one
+SELECT * FROM fts.transactions
+WHERE transaction_id = $1;
+
+-- name: DeleteTransaction :exec
+DELETE FROM fts.transactions
+WHERE transaction_id = $1;

sql/schema/001_transaction.sql

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+-- +goose Up
+CREATE SCHEMA IF NOT EXISTS fts;
+
+CREATE TABLE fts.transactions (
+    transaction_id SERIAL PRIMARY KEY,
+    description TEXT NOT NULL,
+    amount NUMERIC(12, 2) NOT NULL,
+    category VARCHAR(50) NOT NULL,
+    transaction_date TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP NOT NULL,
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP NOT NULL
+);
+
+-- Index for querying transactions by date
+CREATE INDEX idx_transactions_date ON fts.transactions(transaction_date);
+
+-- +goose Down
+DROP INDEX IF EXISTS fts.idx_transactions_date;
+DROP TABLE IF EXISTS fts.transactions;