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449 lines
16 KiB
Go
449 lines
16 KiB
Go
package libsq_test
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import (
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"fmt"
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"testing"
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_ "github.com/mattn/go-sqlite3"
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"github.com/samber/lo"
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"github.com/neilotoole/sq/drivers/mysql"
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"github.com/neilotoole/sq/drivers/postgres"
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"github.com/neilotoole/sq/drivers/sqlite3"
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"github.com/neilotoole/sq/drivers/sqlserver"
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"github.com/neilotoole/sq/libsq/core/jointype"
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"github.com/neilotoole/sq/libsq/source"
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"github.com/neilotoole/sq/testh/sakila"
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"github.com/neilotoole/sq/testh/tutil"
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)
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func TestQuery_join_args(t *testing.T) {
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testCases := []queryTestCase{
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{
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name: "error/missing-predicate",
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in: `@sakila | .actor | join(.film_actor)`,
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wantErr: true,
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repeatReplace: predicateJoinNames,
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},
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{
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name: "error/unwanted-predicate",
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in: `@sakila | .actor | join(.film_actor)`,
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wantErr: true,
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repeatReplace: noPredicateJoinNames,
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},
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{
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name: "error/too-many-args",
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in: `@sakila | .actor | join(.film_actor, .actor_id, .first_name)`,
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wantErr: true,
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repeatReplace: jointype.AllValues(),
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},
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{
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name: "error/no-args",
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in: `@sakila | .store | join()`,
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wantErr: true,
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repeatReplace: jointype.AllValues(),
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},
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}
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for _, tc := range testCases {
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tc := tc
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t.Run(tc.name, func(t *testing.T) {
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execQueryTestCase(t, tc)
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})
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}
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}
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//nolint:exhaustive,lll
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func TestQuery_join_inner(t *testing.T) {
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testCases := []queryTestCase{
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{
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name: "n1/equals-no-alias",
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in: `@sakila | .store | join(.address, .store.address_id == .address.address_id)`,
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wantRecCount: 2,
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},
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{
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name: "n1/equals-with-alias",
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in: `@sakila | .store:s | join(.address:a, .s.address_id == .a.address_id)`,
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wantSQL: `SELECT * FROM "store" AS "s" INNER JOIN "address" AS "a" ON "s"."address_id" = "a"."address_id"`,
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override: driverMap{mysql.Type: "SELECT * FROM `store` AS `s` INNER JOIN `address` AS `a` ON `s`.`address_id` = `a`.`address_id`"},
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wantRecCount: 2,
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repeatReplace: innerJoins,
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},
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{
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name: "n2/equals-with-alias/unqualified-cols",
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in: `@sakila | .actor:a | join(.film_actor:fa, .a.actor_id == .fa.actor_id) | join(.film:f, .fa.film_id == .f.film_id) | .first_name, .last_name, .title`,
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wantSQL: `SELECT "first_name", "last_name", "title" FROM "actor" AS "a" INNER JOIN "film_actor" AS "fa" ON "a"."actor_id" = "fa"."actor_id" INNER JOIN "film" AS "f" ON "fa"."film_id" = "f"."film_id"`,
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override: driverMap{mysql.Type: "SELECT `first_name`, `last_name`, `title` FROM `actor` AS `a` INNER JOIN `film_actor` AS `fa` ON `a`.`actor_id` = `fa`.`actor_id` INNER JOIN `film` AS `f` ON `fa`.`film_id` = `f`.`film_id`"},
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wantRecCount: sakila.TblFilmActorCount,
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repeatReplace: innerJoins,
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},
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{
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name: "n2/equals-with-alias/qualified-cols",
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in: `@sakila | .actor:a | join(.film_actor:fa, .a.actor_id == .fa.actor_id) | join(.film:f, .fa.film_id == .f.film_id) | .a.first_name, .a.last_name, .f.title`,
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wantSQL: `SELECT "a"."first_name", "a"."last_name", "f"."title" FROM "actor" AS "a" INNER JOIN "film_actor" AS "fa" ON "a"."actor_id" = "fa"."actor_id" INNER JOIN "film" AS "f" ON "fa"."film_id" = "f"."film_id"`,
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override: driverMap{mysql.Type: "SELECT `a`.`first_name`, `a`.`last_name`, `f`.`title` FROM `actor` AS `a` INNER JOIN `film_actor` AS `fa` ON `a`.`actor_id` = `fa`.`actor_id` INNER JOIN `film` AS `f` ON `fa`.`film_id` = `f`.`film_id`"},
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wantRecCount: sakila.TblFilmActorCount,
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repeatReplace: innerJoins,
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},
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{
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name: "n1/single-selector-no-alias",
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in: `@sakila | .store | join(.address, .address_id)`,
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wantSQL: `SELECT * FROM "store" INNER JOIN "address" ON "store"."address_id" = "address"."address_id"`,
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override: driverMap{mysql.Type: "SELECT * FROM `store` INNER JOIN `address` ON `store`.`address_id` = `address`.`address_id`"},
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wantRecCount: 2,
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repeatReplace: innerJoins,
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},
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{
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name: "n1/table-handle-single-selector-no-alias",
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in: `@sakila.store | join(.address, .address_id)`,
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wantSQL: `SELECT * FROM "store" INNER JOIN "address" ON "store"."address_id" = "address"."address_id"`,
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override: driverMap{mysql.Type: "SELECT * FROM `store` INNER JOIN `address` ON `store`.`address_id` = `address`.`address_id`"},
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wantRecCount: 2,
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repeatReplace: innerJoins,
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},
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{
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name: "n1/single-selector-with-alias",
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in: `@sakila | .store:s | join(.address:a, .address_id)`,
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wantSQL: `SELECT * FROM "store" AS "s" INNER JOIN "address" AS "a" ON "s"."address_id" = "a"."address_id"`,
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override: driverMap{mysql.Type: "SELECT * FROM `store` AS `s` INNER JOIN `address` AS `a` ON `s`.`address_id` = `a`.`address_id`"},
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wantRecCount: 2,
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repeatReplace: innerJoins,
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},
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{
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name: "cross-join/n1/no-constraint",
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in: `@sakila | .store | cross_join(.address)`,
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wantSQL: `SELECT * FROM "store" CROSS JOIN "address"`,
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override: driverMap{mysql.Type: "SELECT * FROM `store` CROSS JOIN `address`"},
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wantRecCount: 1206,
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repeatReplace: []string{string(jointype.Cross), jointype.CrossAlias},
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},
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}
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for _, tc := range testCases {
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tc := tc
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t.Run(tc.name, func(t *testing.T) {
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execQueryTestCase(t, tc)
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})
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}
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}
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//nolint:lll
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func TestQuery_join_multi_source(t *testing.T) {
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testCases := []queryTestCase{
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{
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name: "n1/equals-no-alias",
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in: fmt.Sprintf(
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`@sakila | .store | join(%s.address, .store.address_id == .address.address_id)`,
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sakila.SL3,
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),
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wantSQL: `SELECT * FROM "store" INNER JOIN "address" ON "store"."address_id" = "address"."address_id"`,
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wantRecCount: 2,
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repeatReplace: innerJoins,
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sinkFns: []SinkTestFunc{
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assertSinkColMungedNames(colsJoinStoreAddress...),
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},
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},
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{
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name: "n1/table-handle-equals-no-alias",
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in: fmt.Sprintf(
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`@sakila.store | join(%s.address, .store.address_id == .address.address_id)`,
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sakila.SL3,
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),
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wantSQL: `SELECT * FROM "store" INNER JOIN "address" ON "store"."address_id" = "address"."address_id"`,
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wantRecCount: 2,
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repeatReplace: innerJoins,
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sinkFns: []SinkTestFunc{
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assertSinkColMungedNames(colsJoinStoreAddress...),
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},
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},
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{
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name: "n1/equals-with-alias",
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in: fmt.Sprintf(
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`@sakila | .store:s | join(%s.address:a, .s.address_id == .a.address_id)`,
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sakila.Pg,
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),
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wantRecCount: 2,
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repeatReplace: innerJoins,
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sinkFns: []SinkTestFunc{
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assertSinkColMungedNames(colsJoinStoreAddress...),
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},
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},
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{
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name: "n2/two-sources",
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in: fmt.Sprintf(
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`@sakila | .actor | join(%s.film_actor, .actor_id) | join(.film, .film_id) | .first_name, .last_name, .title`,
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sakila.Pg,
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),
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wantRecCount: sakila.TblFilmActorCount,
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repeatReplace: innerJoins,
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sinkFns: []SinkTestFunc{
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assertSinkColMungedNames("first_name", "last_name", "title"),
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},
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},
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{
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name: "n2/three-sources-no-alias-no-col-alias",
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in: fmt.Sprintf(
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`@sakila | .actor | join(%s.film_actor, .actor_id) | join(%s.film, .film_id) | .first_name, .last_name, .title`,
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sakila.Pg,
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sakila.My,
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),
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wantSQL: `SELECT "first_name", "last_name", "title" FROM "actor" INNER JOIN "film_actor" ON "actor"."actor_id" = "film_actor"."actor_id" INNER JOIN "film" ON "film_actor"."film_id" = "film"."film_id"`,
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wantRecCount: sakila.TblFilmActorCount,
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repeatReplace: innerJoins,
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sinkFns: []SinkTestFunc{
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assertSinkColMungedNames("first_name", "last_name", "title"),
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},
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},
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{
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name: "n2/three-sources-no-alias-all-cols",
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in: fmt.Sprintf(
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`@sakila | .actor | join(%s.film_actor, .actor_id) | join(%s.film, .film_id)`,
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sakila.Pg,
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sakila.My,
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),
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wantSQL: `SELECT * FROM "actor" INNER JOIN "film_actor" ON "actor"."actor_id" = "film_actor"."actor_id" INNER JOIN "film" ON "film_actor"."film_id" = "film"."film_id"`,
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wantRecCount: sakila.TblFilmActorCount,
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repeatReplace: innerJoins,
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sinkFns: []SinkTestFunc{
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assertSinkColMungedNames(colsJoinActorFilmActorFilm...),
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},
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},
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{
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name: "n2/equals-with-alias/unqualified-cols",
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in: fmt.Sprintf(
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`@sakila | .actor:a | join(%s.film_actor:fa, .a.actor_id == .fa.actor_id) | join(%s.film:f, .fa.film_id == .f.film_id) | .first_name, .last_name, .title`,
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sakila.Pg,
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sakila.My,
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),
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wantRecCount: sakila.TblFilmActorCount,
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sinkFns: []SinkTestFunc{
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assertSinkColMungedNames("first_name", "last_name", "title"),
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},
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},
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}
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for _, tc := range testCases {
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tc := tc
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t.Run(tc.name, func(t *testing.T) {
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execQueryTestCase(t, tc)
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})
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}
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}
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// TestQuery_join_others tests the join types other than INNER JOIN.
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//
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//nolint:exhaustive,lll
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func TestQuery_join_others(t *testing.T) {
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testCases := []queryTestCase{
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{
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name: "left_join",
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in: `@sakila | .actor | left_join(.film_actor, .actor_id)`,
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wantSQL: `SELECT * FROM "actor" LEFT JOIN "film_actor" ON "actor"."actor_id" = "film_actor"."actor_id"`,
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override: driverMap{mysql.Type: "SELECT * FROM `actor` LEFT JOIN `film_actor` ON `actor`.`actor_id` = `film_actor`.`actor_id`"},
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wantRecCount: sakila.TblFilmActorCount,
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repeatReplace: []string{string(jointype.Left), jointype.LeftAlias},
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sinkFns: []SinkTestFunc{
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assertSinkColMungedNames(colsJoinActorFilmActor...),
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},
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},
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{
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name: "left_outer_join",
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in: `@sakila | .actor | left_outer_join(.film_actor, .actor_id)`,
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wantSQL: `SELECT * FROM "actor" LEFT OUTER JOIN "film_actor" ON "actor"."actor_id" = "film_actor"."actor_id"`,
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override: driverMap{mysql.Type: "SELECT * FROM `actor` LEFT OUTER JOIN `film_actor` ON `actor`.`actor_id` = `film_actor`.`actor_id`"},
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wantRecCount: sakila.TblFilmActorCount,
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repeatReplace: []string{string(jointype.LeftOuter), jointype.LeftOuterAlias},
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sinkFns: []SinkTestFunc{
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assertSinkColMungedNames(colsJoinActorFilmActor...),
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},
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},
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{
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name: "right_join",
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in: `@sakila | .actor | right_join(.film_actor, .actor_id)`,
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wantSQL: `SELECT * FROM "actor" RIGHT JOIN "film_actor" ON "actor"."actor_id" = "film_actor"."actor_id"`,
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override: driverMap{mysql.Type: "SELECT * FROM `actor` RIGHT JOIN `film_actor` ON `actor`.`actor_id` = `film_actor`.`actor_id`"},
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wantRecCount: sakila.TblFilmActorCount,
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repeatReplace: []string{string(jointype.Right), jointype.RightAlias},
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sinkFns: []SinkTestFunc{
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assertSinkColMungedNames(colsJoinActorFilmActor...),
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},
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},
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{
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name: "right_outer_join",
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in: `@sakila | .actor | right_outer_join(.film_actor, .actor_id)`,
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wantSQL: `SELECT * FROM "actor" RIGHT OUTER JOIN "film_actor" ON "actor"."actor_id" = "film_actor"."actor_id"`,
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override: driverMap{mysql.Type: "SELECT * FROM `actor` RIGHT OUTER JOIN `film_actor` ON `actor`.`actor_id` = `film_actor`.`actor_id`"},
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wantRecCount: sakila.TblFilmActorCount,
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repeatReplace: []string{string(jointype.RightOuter), jointype.RightOuterAlias},
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sinkFns: []SinkTestFunc{
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assertSinkColMungedNames(colsJoinActorFilmActor...),
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},
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},
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{
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name: "full_outer_join",
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in: `@sakila | .actor | full_outer_join(.film_actor, .actor_id)`,
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wantSQL: `SELECT * FROM "actor" FULL OUTER JOIN "film_actor" ON "actor"."actor_id" = "film_actor"."actor_id"`,
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// Note that MySQL doesn't support full outer join.
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onlyFor: []source.DriverType{sqlite3.Type, postgres.Type, sqlserver.Type},
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wantRecCount: sakila.TblFilmActorCount,
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repeatReplace: []string{string(jointype.FullOuter), jointype.FullOuterAlias},
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sinkFns: []SinkTestFunc{
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assertSinkColMungedNames(colsJoinActorFilmActor...),
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},
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},
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{
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name: "full_outer_join/error-mysql",
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in: `@sakila | .actor | full_outer_join(.film_actor, .actor_id)`,
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// Note that MySQL doesn't support full outer join.
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onlyFor: []source.DriverType{mysql.Type},
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wantErr: true,
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repeatReplace: []string{string(jointype.FullOuter), jointype.FullOuterAlias},
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},
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{
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name: "cross/store-address",
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in: `@sakila | .store | cross_join(.address)`,
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wantSQL: `SELECT * FROM "store" CROSS JOIN "address"`,
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override: driverMap{mysql.Type: "SELECT * FROM `store` CROSS JOIN `address`"},
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wantRecCount: 1206,
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repeatReplace: []string{string(jointype.Cross), jointype.CrossAlias},
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},
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{
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name: "cross/store-staff",
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in: `@sakila | .store | cross_join(.staff)`,
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wantSQL: `SELECT * FROM "store" CROSS JOIN "staff"`,
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override: driverMap{mysql.Type: "SELECT * FROM `store` CROSS JOIN `staff`"},
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wantRecCount: 4,
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repeatReplace: []string{string(jointype.Cross), jointype.CrossAlias},
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},
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{
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name: "cross/actor-film_actor/no-constraint",
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in: `@sakila | .actor | cross_join(.film_actor) | .[0:10]`,
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wantRecCount: 10,
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repeatReplace: []string{string(jointype.Cross), jointype.CrossAlias},
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sinkFns: []SinkTestFunc{
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assertSinkColMungedNames(colsJoinActorFilmActor...),
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},
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},
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}
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for _, tc := range testCases {
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tc := tc
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t.Run(tc.name, func(t *testing.T) {
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execQueryTestCase(t, tc)
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})
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}
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}
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// TestQuery_table_alias is tested with the joins, because table aliases
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// are primarily for use with join.
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//
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//nolint:exhaustive
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func TestQuery_table_alias(t *testing.T) {
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testCases := []queryTestCase{
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{
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name: "table-alias",
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in: `@sakila | .actor:a | .a.first_name`,
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wantSQL: `SELECT "a"."first_name" FROM "actor" AS "a"`,
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override: driverMap{mysql.Type: "SELECT `a`.`first_name` FROM `actor` AS `a`"},
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wantRecCount: sakila.TblActorCount,
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sinkFns: []SinkTestFunc{
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assertSinkColName(0, "first_name"),
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},
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},
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{
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name: "table-whitespace-alias",
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in: `@sakila | .actor:"oy vey" | ."oy vey".first_name`,
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wantSQL: `SELECT "oy vey"."first_name" FROM "actor" AS "oy vey"`,
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override: driverMap{mysql.Type: "SELECT `oy vey`.`first_name` FROM `actor` AS `oy vey`"},
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wantRecCount: sakila.TblActorCount,
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sinkFns: []SinkTestFunc{
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assertSinkColName(0, "first_name"),
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},
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},
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{
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name: "table-whitespace-alias-with-col-alias",
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in: `@sakila | .actor:"oy vey" | ."oy vey".first_name:given_name`,
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wantSQL: `SELECT "oy vey"."first_name" AS "given_name" FROM "actor" AS "oy vey"`,
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override: driverMap{mysql.Type: "SELECT `oy vey`.`first_name` AS `given_name` FROM `actor` AS `oy vey`"},
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wantRecCount: sakila.TblActorCount,
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sinkFns: []SinkTestFunc{
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assertSinkColName(0, "given_name"),
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},
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},
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{
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name: "table-whitespace-alias-with-col-whitespace-alias",
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in: `@sakila | .actor:"oy vey" | ."oy vey".first_name:"oy vey"`,
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wantSQL: `SELECT "oy vey"."first_name" AS "oy vey" FROM "actor" AS "oy vey"`,
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override: driverMap{mysql.Type: "SELECT `oy vey`.`first_name` AS `oy vey` FROM `actor` AS `oy vey`"},
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wantRecCount: sakila.TblActorCount,
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sinkFns: []SinkTestFunc{
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assertSinkColName(0, "oy vey"),
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},
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},
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}
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for i, tc := range testCases {
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tc := tc
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t.Run(tutil.Name(i, tc.name), func(t *testing.T) {
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execQueryTestCase(t, tc)
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})
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}
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}
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var (
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noPredicateJoinNames = []string{
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string(jointype.Cross),
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jointype.CrossAlias,
|
|
}
|
|
innerJoins = []string{
|
|
jointype.JoinAlias,
|
|
string(jointype.Inner),
|
|
}
|
|
predicateJoinNames = lo.Without(jointype.AllValues(), noPredicateJoinNames...)
|
|
colsJoinActorFilmActor = []string{
|
|
"actor_id",
|
|
"first_name",
|
|
"last_name",
|
|
"last_update",
|
|
"actor_id_1",
|
|
"film_id",
|
|
"last_update_1",
|
|
}
|
|
colsJoinActorFilmActorFilm = []string{
|
|
"actor_id",
|
|
"first_name",
|
|
"last_name",
|
|
"last_update",
|
|
"actor_id_1",
|
|
"film_id",
|
|
"last_update_1",
|
|
"film_id_1",
|
|
"title",
|
|
"description",
|
|
"release_year",
|
|
"language_id",
|
|
"original_language_id",
|
|
"rental_duration",
|
|
"rental_rate",
|
|
"length",
|
|
"replacement_cost",
|
|
"rating",
|
|
"special_features",
|
|
"last_update_2",
|
|
}
|
|
colsJoinStoreAddress = []string{
|
|
"store_id",
|
|
"manager_staff_id",
|
|
"address_id",
|
|
"last_update",
|
|
"address_id_1",
|
|
"address",
|
|
"address2",
|
|
"district",
|
|
"city_id",
|
|
"postal_code",
|
|
"phone",
|
|
"last_update_1",
|
|
}
|
|
)
|