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add materialized view support #1509

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@@ -0,0 +1,3 @@
-- name: GetFirst :many
SELECT * FROM mat_first_view;

@@ -0,0 +1,3 @@
CREATE TABLE foo (val text not null);

CREATE MATERIALIZED VIEW mat_first_view AS SELECT * FROM foo;
@@ -0,0 +1,12 @@
{
"version": "1",
"packages": [
{
"engine": "postgresql",
"path": "go",
"name": "querytest",
"schema": "schema.sql",
"queries": "query.sql"
}
]
}
29 changes: 29 additions & 0 deletions internal/endtoend/testdata/create_table_as/postgresql/go/db.go

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13 changes: 13 additions & 0 deletions internal/endtoend/testdata/create_table_as/postgresql/go/models.go

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@@ -0,0 +1,3 @@
-- name: GetFirst :many
SELECT * FROM second_table;

@@ -0,0 +1,3 @@
CREATE TABLE foo (val text not null);

CREATE TABLE second_table AS SELECT * FROM foo;
12 changes: 12 additions & 0 deletions internal/endtoend/testdata/create_table_as/postgresql/sqlc.json
@@ -0,0 +1,12 @@
{
"version": "1",
"packages": [
{
"engine": "postgresql",
"path": "go",
"name": "querytest",
"schema": "schema.sql",
"queries": "query.sql"
}
]
}

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3 changes: 2 additions & 1 deletion internal/engine/postgresql/convert.go
Expand Up @@ -1237,13 +1237,14 @@ func convertCreateTableAsStmt(n *pg.CreateTableAsStmt) *ast.CreateTableAsStmt {
if n == nil {
return nil
}
return &ast.CreateTableAsStmt{
res := &ast.CreateTableAsStmt{
Query: convertNode(n.Query),
Into: convertIntoClause(n.Into),
Relkind: ast.ObjectType(n.Relkind),
IsSelectInto: n.IsSelectInto,
IfNotExists: n.IfNotExists,
}
return res
}

func convertCreateTableSpaceStmt(n *pg.CreateTableSpaceStmt) *ast.CreateTableSpaceStmt {
Expand Down
4 changes: 4 additions & 0 deletions internal/sql/catalog/catalog.go
Expand Up @@ -288,6 +288,7 @@ func (c *Catalog) Update(stmt ast.Statement, colGen columnGenerator) error {
}
var err error
switch n := stmt.Raw.Stmt.(type) {

case *ast.AlterTableStmt:
err = c.alterTable(n)

Expand Down Expand Up @@ -330,6 +331,9 @@ func (c *Catalog) Update(stmt ast.Statement, colGen columnGenerator) error {
case *ast.CreateTableStmt:
err = c.createTable(n)

case *ast.CreateTableAsStmt:
err = c.createTableAs(n, colGen)

case *ast.ViewStmt:
err = c.createView(n, colGen)

Expand Down
42 changes: 42 additions & 0 deletions internal/sql/catalog/table.go
Expand Up @@ -247,3 +247,45 @@ func (c *Catalog) renameTable(stmt *ast.RenameTableStmt) error {
}
return nil
}

func (c *Catalog) createTableAs(stmt *ast.CreateTableAsStmt, colGen columnGenerator) error {
cols, err := colGen.OutputColumns(stmt.Query)
if err != nil {
return err
}

catName := ""
if stmt.Into.Rel.Catalogname != nil {
catName = *stmt.Into.Rel.Catalogname
}
schemaName := ""
if stmt.Into.Rel.Schemaname != nil {
schemaName = *stmt.Into.Rel.Schemaname
}

tbl := Table{
Rel: &ast.TableName{
Catalog: catName,
Schema: schemaName,
Name: *stmt.Into.Rel.Relname,
},
Columns: cols,
}

ns := tbl.Rel.Schema
if ns == "" {
ns = c.DefaultSchema
}
schema, err := c.getSchema(ns)
if err != nil {
return err
}
_, _, err = schema.getTable(tbl.Rel)
if err == nil {
return sqlerr.RelationExists(tbl.Rel.Name)
}

schema.Tables = append(schema.Tables, &tbl)

return nil
}