snapshot of https://github.com/sqlc-dev/sqlc.git (main, 2026-09-16; blobs > 131072B omitted)

internal/endtoend/testdata/coalesce/mysql/go/db.go

@@ -0,0 +1,31 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.31.1
+
+package querytest
+
+import (
+	"context"
+	"database/sql"
+)
+
+type DBTX interface {
+	ExecContext(context.Context, string, ...any) (sql.Result, error)
+	PrepareContext(context.Context, string) (*sql.Stmt, error)
+	QueryContext(context.Context, string, ...any) (*sql.Rows, error)
+	QueryRowContext(context.Context, string, ...any) *sql.Row
+}
+
+func New(db DBTX) *Queries {
+	return &Queries{db: db}
+}
+
+type Queries struct {
+	db DBTX
+}
+
+func (q *Queries) WithTx(tx *sql.Tx) *Queries {
+	return &Queries{
+		db: tx,
+	}
+}

internal/endtoend/testdata/coalesce/mysql/go/models.go

@@ -0,0 +1,14 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.31.1
+
+package querytest
+
+import (
+	"database/sql"
+)
+
+type Foo struct {
+	Bar sql.NullString
+	Bat string
+}

internal/endtoend/testdata/coalesce/mysql/go/query.sql.go

@@ -0,0 +1,73 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.31.1
+// source: query.sql
+
+package querytest
+
+import (
+	"context"
+	"database/sql"
+)
+
+const coalesce = `-- name: Coalesce :many
+SELECT coalesce(bar, '') as login
+FROM foo
+`
+
+func (q *Queries) Coalesce(ctx context.Context) ([]string, error) {
+	rows, err := q.db.QueryContext(ctx, coalesce)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []string
+	for rows.Next() {
+		var login string
+		if err := rows.Scan(&login); err != nil {
+			return nil, err
+		}
+		items = append(items, login)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const coalesceColumns = `-- name: CoalesceColumns :many
+SELECT bar, bat, coalesce(bar, bat)
+FROM foo
+`
+
+type CoalesceColumnsRow struct {
+	Bar   sql.NullString
+	Bat   string
+	Bar_2 string
+}
+
+func (q *Queries) CoalesceColumns(ctx context.Context) ([]CoalesceColumnsRow, error) {
+	rows, err := q.db.QueryContext(ctx, coalesceColumns)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []CoalesceColumnsRow
+	for rows.Next() {
+		var i CoalesceColumnsRow
+		if err := rows.Scan(&i.Bar, &i.Bat, &i.Bar_2); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}

internal/endtoend/testdata/coalesce/mysql/query.sql

@@ -0,0 +1,7 @@
+-- name: Coalesce :many
+SELECT coalesce(bar, '') as login
+FROM foo;
+
+-- name: CoalesceColumns :many
+SELECT bar, bat, coalesce(bar, bat)
+FROM foo;

internal/endtoend/testdata/coalesce/mysql/schema.sql

@@ -0,0 +1,2 @@
+CREATE TABLE foo (bar text, bat text not null);
+

internal/endtoend/testdata/coalesce/mysql/sqlc.json

@@ -0,0 +1,12 @@
+{
+  "version": "1",
+  "packages": [
+    {
+      "path": "go",
+      "engine": "mysql",
+      "name": "querytest",
+      "schema": "schema.sql",
+      "queries": "query.sql"
+    }
+  ]
+}

internal/endtoend/testdata/coalesce/postgresql/pgx/v4/go/db.go

@@ -0,0 +1,32 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.31.1
+
+package querytest
+
+import (
+	"context"
+
+	"github.com/jackc/pgconn"
+	"github.com/jackc/pgx/v4"
+)
+
+type DBTX interface {
+	Exec(context.Context, string, ...any) (pgconn.CommandTag, error)
+	Query(context.Context, string, ...any) (pgx.Rows, error)
+	QueryRow(context.Context, string, ...any) pgx.Row
+}
+
+func New(db DBTX) *Queries {
+	return &Queries{db: db}
+}
+
+type Queries struct {
+	db DBTX
+}
+
+func (q *Queries) WithTx(tx pgx.Tx) *Queries {
+	return &Queries{
+		db: tx,
+	}
+}

internal/endtoend/testdata/coalesce/postgresql/pgx/v4/go/models.go

@@ -0,0 +1,16 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.31.1
+
+package querytest
+
+import (
+	"database/sql"
+)
+
+type Foo struct {
+	Bar sql.NullString
+	Bat string
+	Baz sql.NullInt64
+	Qux int64
+}

internal/endtoend/testdata/coalesce/postgresql/pgx/v4/go/query.sql.go

@@ -0,0 +1,183 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.31.1
+// source: query.sql
+
+package querytest
+
+import (
+	"context"
+	"database/sql"
+)
+
+const coalesceNumeric = `-- name: CoalesceNumeric :many
+SELECT coalesce(baz, 0) as login
+FROM foo
+`
+
+func (q *Queries) CoalesceNumeric(ctx context.Context) ([]int64, error) {
+	rows, err := q.db.Query(ctx, coalesceNumeric)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []int64
+	for rows.Next() {
+		var login int64
+		if err := rows.Scan(&login); err != nil {
+			return nil, err
+		}
+		items = append(items, login)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const coalesceNumericColumns = `-- name: CoalesceNumericColumns :many
+SELECT baz, qux, coalesce(baz, qux)
+FROM foo
+`
+
+type CoalesceNumericColumnsRow struct {
+	Baz   sql.NullInt64
+	Qux   int64
+	Baz_2 int64
+}
+
+func (q *Queries) CoalesceNumericColumns(ctx context.Context) ([]CoalesceNumericColumnsRow, error) {
+	rows, err := q.db.Query(ctx, coalesceNumericColumns)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []CoalesceNumericColumnsRow
+	for rows.Next() {
+		var i CoalesceNumericColumnsRow
+		if err := rows.Scan(&i.Baz, &i.Qux, &i.Baz_2); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const coalesceNumericNull = `-- name: CoalesceNumericNull :many
+SELECT baz, coalesce(baz)
+FROM foo
+`
+
+type CoalesceNumericNullRow struct {
+	Baz   sql.NullInt64
+	Baz_2 sql.NullInt64
+}
+
+func (q *Queries) CoalesceNumericNull(ctx context.Context) ([]CoalesceNumericNullRow, error) {
+	rows, err := q.db.Query(ctx, coalesceNumericNull)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []CoalesceNumericNullRow
+	for rows.Next() {
+		var i CoalesceNumericNullRow
+		if err := rows.Scan(&i.Baz, &i.Baz_2); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const coalesceString = `-- name: CoalesceString :many
+SELECT coalesce(bar, '') as login
+FROM foo
+`
+
+func (q *Queries) CoalesceString(ctx context.Context) ([]string, error) {
+	rows, err := q.db.Query(ctx, coalesceString)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []string
+	for rows.Next() {
+		var login string
+		if err := rows.Scan(&login); err != nil {
+			return nil, err
+		}
+		items = append(items, login)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const coalesceStringColumns = `-- name: CoalesceStringColumns :many
+SELECT bar, bat, coalesce(bar, bat)
+FROM foo
+`
+
+type CoalesceStringColumnsRow struct {
+	Bar   sql.NullString
+	Bat   string
+	Bar_2 string
+}
+
+func (q *Queries) CoalesceStringColumns(ctx context.Context) ([]CoalesceStringColumnsRow, error) {
+	rows, err := q.db.Query(ctx, coalesceStringColumns)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []CoalesceStringColumnsRow
+	for rows.Next() {
+		var i CoalesceStringColumnsRow
+		if err := rows.Scan(&i.Bar, &i.Bat, &i.Bar_2); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const coalesceStringNull = `-- name: CoalesceStringNull :many
+SELECT bar, coalesce(bar)
+FROM foo
+`
+
+type CoalesceStringNullRow struct {
+	Bar   sql.NullString
+	Bar_2 sql.NullString
+}
+
+func (q *Queries) CoalesceStringNull(ctx context.Context) ([]CoalesceStringNullRow, error) {
+	rows, err := q.db.Query(ctx, coalesceStringNull)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []CoalesceStringNullRow
+	for rows.Next() {
+		var i CoalesceStringNullRow
+		if err := rows.Scan(&i.Bar, &i.Bar_2); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}

internal/endtoend/testdata/coalesce/postgresql/pgx/v4/query.sql

@@ -0,0 +1,23 @@
+-- name: CoalesceString :many
+SELECT coalesce(bar, '') as login
+FROM foo;
+
+-- name: CoalesceNumeric :many
+SELECT coalesce(baz, 0) as login
+FROM foo;
+
+-- name: CoalesceStringColumns :many
+SELECT bar, bat, coalesce(bar, bat)
+FROM foo;
+
+-- name: CoalesceNumericColumns :many
+SELECT baz, qux, coalesce(baz, qux)
+FROM foo;
+
+-- name: CoalesceStringNull :many
+SELECT bar, coalesce(bar)
+FROM foo;
+
+-- name: CoalesceNumericNull :many
+SELECT baz, coalesce(baz)
+FROM foo;

internal/endtoend/testdata/coalesce/postgresql/pgx/v4/schema.sql

@@ -0,0 +1,7 @@
+CREATE TABLE foo (
+    bar text,
+    bat text not null,
+    baz bigint,
+    qux bigint not null
+);
+

internal/endtoend/testdata/coalesce/postgresql/pgx/v4/sqlc.json

@@ -0,0 +1,13 @@
+{
+  "version": "1",
+  "packages": [
+    {
+      "path": "go",
+      "engine": "postgresql",
+      "sql_package": "pgx/v4",
+      "name": "querytest",
+      "schema": "schema.sql",
+      "queries": "query.sql"
+    }
+  ]
+}

internal/endtoend/testdata/coalesce/postgresql/pgx/v5/go/db.go

@@ -0,0 +1,32 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.31.1
+
+package querytest
+
+import (
+	"context"
+
+	"github.com/jackc/pgx/v5"
+	"github.com/jackc/pgx/v5/pgconn"
+)
+
+type DBTX interface {
+	Exec(context.Context, string, ...any) (pgconn.CommandTag, error)
+	Query(context.Context, string, ...any) (pgx.Rows, error)
+	QueryRow(context.Context, string, ...any) pgx.Row
+}
+
+func New(db DBTX) *Queries {
+	return &Queries{db: db}
+}
+
+type Queries struct {
+	db DBTX
+}
+
+func (q *Queries) WithTx(tx pgx.Tx) *Queries {
+	return &Queries{
+		db: tx,
+	}
+}

internal/endtoend/testdata/coalesce/postgresql/pgx/v5/go/models.go

@@ -0,0 +1,16 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.31.1
+
+package querytest
+
+import (
+	"github.com/jackc/pgx/v5/pgtype"
+)
+
+type Foo struct {
+	Bar pgtype.Text
+	Bat string
+	Baz pgtype.Int8
+	Qux int64
+}

internal/endtoend/testdata/coalesce/postgresql/pgx/v5/go/query.sql.go

@@ -0,0 +1,184 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.31.1
+// source: query.sql
+
+package querytest
+
+import (
+	"context"
+
+	"github.com/jackc/pgx/v5/pgtype"
+)
+
+const coalesceNumeric = `-- name: CoalesceNumeric :many
+SELECT coalesce(baz, 0) as login
+FROM foo
+`
+
+func (q *Queries) CoalesceNumeric(ctx context.Context) ([]int64, error) {
+	rows, err := q.db.Query(ctx, coalesceNumeric)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []int64
+	for rows.Next() {
+		var login int64
+		if err := rows.Scan(&login); err != nil {
+			return nil, err
+		}
+		items = append(items, login)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const coalesceNumericColumns = `-- name: CoalesceNumericColumns :many
+SELECT baz, qux, coalesce(baz, qux)
+FROM foo
+`
+
+type CoalesceNumericColumnsRow struct {
+	Baz   pgtype.Int8
+	Qux   int64
+	Baz_2 int64
+}
+
+func (q *Queries) CoalesceNumericColumns(ctx context.Context) ([]CoalesceNumericColumnsRow, error) {
+	rows, err := q.db.Query(ctx, coalesceNumericColumns)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []CoalesceNumericColumnsRow
+	for rows.Next() {
+		var i CoalesceNumericColumnsRow
+		if err := rows.Scan(&i.Baz, &i.Qux, &i.Baz_2); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const coalesceNumericNull = `-- name: CoalesceNumericNull :many
+SELECT baz, coalesce(baz)
+FROM foo
+`
+
+type CoalesceNumericNullRow struct {
+	Baz   pgtype.Int8
+	Baz_2 pgtype.Int8
+}
+
+func (q *Queries) CoalesceNumericNull(ctx context.Context) ([]CoalesceNumericNullRow, error) {
+	rows, err := q.db.Query(ctx, coalesceNumericNull)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []CoalesceNumericNullRow
+	for rows.Next() {
+		var i CoalesceNumericNullRow
+		if err := rows.Scan(&i.Baz, &i.Baz_2); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const coalesceString = `-- name: CoalesceString :many
+SELECT coalesce(bar, '') as login
+FROM foo
+`
+
+func (q *Queries) CoalesceString(ctx context.Context) ([]string, error) {
+	rows, err := q.db.Query(ctx, coalesceString)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []string
+	for rows.Next() {
+		var login string
+		if err := rows.Scan(&login); err != nil {
+			return nil, err
+		}
+		items = append(items, login)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const coalesceStringColumns = `-- name: CoalesceStringColumns :many
+SELECT bar, bat, coalesce(bar, bat)
+FROM foo
+`
+
+type CoalesceStringColumnsRow struct {
+	Bar   pgtype.Text
+	Bat   string
+	Bar_2 string
+}
+
+func (q *Queries) CoalesceStringColumns(ctx context.Context) ([]CoalesceStringColumnsRow, error) {
+	rows, err := q.db.Query(ctx, coalesceStringColumns)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []CoalesceStringColumnsRow
+	for rows.Next() {
+		var i CoalesceStringColumnsRow
+		if err := rows.Scan(&i.Bar, &i.Bat, &i.Bar_2); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const coalesceStringNull = `-- name: CoalesceStringNull :many
+SELECT bar, coalesce(bar)
+FROM foo
+`
+
+type CoalesceStringNullRow struct {
+	Bar   pgtype.Text
+	Bar_2 pgtype.Text
+}
+
+func (q *Queries) CoalesceStringNull(ctx context.Context) ([]CoalesceStringNullRow, error) {
+	rows, err := q.db.Query(ctx, coalesceStringNull)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []CoalesceStringNullRow
+	for rows.Next() {
+		var i CoalesceStringNullRow
+		if err := rows.Scan(&i.Bar, &i.Bar_2); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}

internal/endtoend/testdata/coalesce/postgresql/pgx/v5/query.sql

@@ -0,0 +1,23 @@
+-- name: CoalesceString :many
+SELECT coalesce(bar, '') as login
+FROM foo;
+
+-- name: CoalesceNumeric :many
+SELECT coalesce(baz, 0) as login
+FROM foo;
+
+-- name: CoalesceStringColumns :many
+SELECT bar, bat, coalesce(bar, bat)
+FROM foo;
+
+-- name: CoalesceNumericColumns :many
+SELECT baz, qux, coalesce(baz, qux)
+FROM foo;
+
+-- name: CoalesceStringNull :many
+SELECT bar, coalesce(bar)
+FROM foo;
+
+-- name: CoalesceNumericNull :many
+SELECT baz, coalesce(baz)
+FROM foo;

internal/endtoend/testdata/coalesce/postgresql/pgx/v5/schema.sql

@@ -0,0 +1,7 @@
+CREATE TABLE foo (
+    bar text,
+    bat text not null,
+    baz bigint,
+    qux bigint not null
+);
+

internal/endtoend/testdata/coalesce/postgresql/pgx/v5/sqlc.json

@@ -0,0 +1,13 @@
+{
+  "version": "1",
+  "packages": [
+    {
+      "path": "go",
+      "engine": "postgresql",
+      "sql_package": "pgx/v5",
+      "name": "querytest",
+      "schema": "schema.sql",
+      "queries": "query.sql"
+    }
+  ]
+}

internal/endtoend/testdata/coalesce/postgresql/stdlib/go/db.go

@@ -0,0 +1,31 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.31.1
+
+package querytest
+
+import (
+	"context"
+	"database/sql"
+)
+
+type DBTX interface {
+	ExecContext(context.Context, string, ...any) (sql.Result, error)
+	PrepareContext(context.Context, string) (*sql.Stmt, error)
+	QueryContext(context.Context, string, ...any) (*sql.Rows, error)
+	QueryRowContext(context.Context, string, ...any) *sql.Row
+}
+
+func New(db DBTX) *Queries {
+	return &Queries{db: db}
+}
+
+type Queries struct {
+	db DBTX
+}
+
+func (q *Queries) WithTx(tx *sql.Tx) *Queries {
+	return &Queries{
+		db: tx,
+	}
+}

internal/endtoend/testdata/coalesce/postgresql/stdlib/go/models.go

@@ -0,0 +1,16 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.31.1
+
+package querytest
+
+import (
+	"database/sql"
+)
+
+type Foo struct {
+	Bar sql.NullString
+	Bat string
+	Baz sql.NullInt64
+	Qux int64
+}

internal/endtoend/testdata/coalesce/postgresql/stdlib/go/query.sql.go

@@ -0,0 +1,201 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.31.1
+// source: query.sql
+
+package querytest
+
+import (
+	"context"
+	"database/sql"
+)
+
+const coalesceNumeric = `-- name: CoalesceNumeric :many
+SELECT coalesce(baz, 0) as login
+FROM foo
+`
+
+func (q *Queries) CoalesceNumeric(ctx context.Context) ([]int64, error) {
+	rows, err := q.db.QueryContext(ctx, coalesceNumeric)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []int64
+	for rows.Next() {
+		var login int64
+		if err := rows.Scan(&login); err != nil {
+			return nil, err
+		}
+		items = append(items, login)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const coalesceNumericColumns = `-- name: CoalesceNumericColumns :many
+SELECT baz, qux, coalesce(baz, qux)
+FROM foo
+`
+
+type CoalesceNumericColumnsRow struct {
+	Baz   sql.NullInt64
+	Qux   int64
+	Baz_2 int64
+}
+
+func (q *Queries) CoalesceNumericColumns(ctx context.Context) ([]CoalesceNumericColumnsRow, error) {
+	rows, err := q.db.QueryContext(ctx, coalesceNumericColumns)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []CoalesceNumericColumnsRow
+	for rows.Next() {
+		var i CoalesceNumericColumnsRow
+		if err := rows.Scan(&i.Baz, &i.Qux, &i.Baz_2); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const coalesceNumericNull = `-- name: CoalesceNumericNull :many
+SELECT baz, coalesce(baz)
+FROM foo
+`
+
+type CoalesceNumericNullRow struct {
+	Baz   sql.NullInt64
+	Baz_2 sql.NullInt64
+}
+
+func (q *Queries) CoalesceNumericNull(ctx context.Context) ([]CoalesceNumericNullRow, error) {
+	rows, err := q.db.QueryContext(ctx, coalesceNumericNull)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []CoalesceNumericNullRow
+	for rows.Next() {
+		var i CoalesceNumericNullRow
+		if err := rows.Scan(&i.Baz, &i.Baz_2); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const coalesceString = `-- name: CoalesceString :many
+SELECT coalesce(bar, '') as login
+FROM foo
+`
+
+func (q *Queries) CoalesceString(ctx context.Context) ([]string, error) {
+	rows, err := q.db.QueryContext(ctx, coalesceString)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []string
+	for rows.Next() {
+		var login string
+		if err := rows.Scan(&login); err != nil {
+			return nil, err
+		}
+		items = append(items, login)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const coalesceStringColumns = `-- name: CoalesceStringColumns :many
+SELECT bar, bat, coalesce(bar, bat)
+FROM foo
+`
+
+type CoalesceStringColumnsRow struct {
+	Bar   sql.NullString
+	Bat   string
+	Bar_2 string
+}
+
+func (q *Queries) CoalesceStringColumns(ctx context.Context) ([]CoalesceStringColumnsRow, error) {
+	rows, err := q.db.QueryContext(ctx, coalesceStringColumns)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []CoalesceStringColumnsRow
+	for rows.Next() {
+		var i CoalesceStringColumnsRow
+		if err := rows.Scan(&i.Bar, &i.Bat, &i.Bar_2); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const coalesceStringNull = `-- name: CoalesceStringNull :many
+SELECT bar, coalesce(bar)
+FROM foo
+`
+
+type CoalesceStringNullRow struct {
+	Bar   sql.NullString
+	Bar_2 sql.NullString
+}
+
+func (q *Queries) CoalesceStringNull(ctx context.Context) ([]CoalesceStringNullRow, error) {
+	rows, err := q.db.QueryContext(ctx, coalesceStringNull)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []CoalesceStringNullRow
+	for rows.Next() {
+		var i CoalesceStringNullRow
+		if err := rows.Scan(&i.Bar, &i.Bar_2); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}

internal/endtoend/testdata/coalesce/postgresql/stdlib/query.sql

@@ -0,0 +1,23 @@
+-- name: CoalesceString :many
+SELECT coalesce(bar, '') as login
+FROM foo;
+
+-- name: CoalesceNumeric :many
+SELECT coalesce(baz, 0) as login
+FROM foo;
+
+-- name: CoalesceStringColumns :many
+SELECT bar, bat, coalesce(bar, bat)
+FROM foo;
+
+-- name: CoalesceNumericColumns :many
+SELECT baz, qux, coalesce(baz, qux)
+FROM foo;
+
+-- name: CoalesceStringNull :many
+SELECT bar, coalesce(bar)
+FROM foo;
+
+-- name: CoalesceNumericNull :many
+SELECT baz, coalesce(baz)
+FROM foo;

internal/endtoend/testdata/coalesce/postgresql/stdlib/schema.sql

@@ -0,0 +1,7 @@
+CREATE TABLE foo (
+    bar text,
+    bat text not null,
+    baz bigint,
+    qux bigint not null
+);
+

internal/endtoend/testdata/coalesce/postgresql/stdlib/sqlc.json

@@ -0,0 +1,12 @@
+{
+  "version": "1",
+  "packages": [
+    {
+      "path": "go",
+      "engine": "postgresql",
+      "name": "querytest",
+      "schema": "schema.sql",
+      "queries": "query.sql"
+    }
+  ]
+}

internal/endtoend/testdata/coalesce/sqlite/go/db.go

@@ -0,0 +1,31 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.31.1
+
+package querytest
+
+import (
+	"context"
+	"database/sql"
+)
+
+type DBTX interface {
+	ExecContext(context.Context, string, ...any) (sql.Result, error)
+	PrepareContext(context.Context, string) (*sql.Stmt, error)
+	QueryContext(context.Context, string, ...any) (*sql.Rows, error)
+	QueryRowContext(context.Context, string, ...any) *sql.Row
+}
+
+func New(db DBTX) *Queries {
+	return &Queries{db: db}
+}
+
+type Queries struct {
+	db DBTX
+}
+
+func (q *Queries) WithTx(tx *sql.Tx) *Queries {
+	return &Queries{
+		db: tx,
+	}
+}

internal/endtoend/testdata/coalesce/sqlite/go/models.go

@@ -0,0 +1,14 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.31.1
+
+package querytest
+
+import (
+	"database/sql"
+)
+
+type Foo struct {
+	Bar sql.NullString
+	Bat string
+}

internal/endtoend/testdata/coalesce/sqlite/go/query.sql.go

@@ -0,0 +1,73 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.31.1
+// source: query.sql
+
+package querytest
+
+import (
+	"context"
+	"database/sql"
+)
+
+const coalesce = `-- name: Coalesce :many
+SELECT coalesce(bar, '') AS login
+FROM foo
+`
+
+func (q *Queries) Coalesce(ctx context.Context) ([]string, error) {
+	rows, err := q.db.QueryContext(ctx, coalesce)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []string
+	for rows.Next() {
+		var login string
+		if err := rows.Scan(&login); err != nil {
+			return nil, err
+		}
+		items = append(items, login)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const coalesceColumns = `-- name: CoalesceColumns :many
+SELECT bar, bat, coalesce(bar, bat)
+FROM foo
+`
+
+type CoalesceColumnsRow struct {
+	Bar   sql.NullString
+	Bat   string
+	Bar_2 string
+}
+
+func (q *Queries) CoalesceColumns(ctx context.Context) ([]CoalesceColumnsRow, error) {
+	rows, err := q.db.QueryContext(ctx, coalesceColumns)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []CoalesceColumnsRow
+	for rows.Next() {
+		var i CoalesceColumnsRow
+		if err := rows.Scan(&i.Bar, &i.Bat, &i.Bar_2); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}

internal/endtoend/testdata/coalesce/sqlite/query.sql

@@ -0,0 +1,7 @@
+-- name: Coalesce :many
+SELECT coalesce(bar, '') AS login
+FROM foo;
+
+-- name: CoalesceColumns :many
+SELECT bar, bat, coalesce(bar, bat)
+FROM foo;

internal/endtoend/testdata/coalesce/sqlite/schema.sql

@@ -0,0 +1,2 @@
+CREATE TABLE foo (bar text, bat text not null);
+

internal/endtoend/testdata/coalesce/sqlite/sqlc.json

@@ -0,0 +1,12 @@
+{
+  "version": "1",
+  "packages": [
+    {
+      "path": "go",
+      "engine": "sqlite",
+      "name": "querytest",
+      "schema": "schema.sql",
+      "queries": "query.sql"
+    }
+  ]
+}