feat: default schema configuration for postgresql

internal/compiler/engine.go

@@ -44,7 +44,7 @@ func NewCompiler(conf config.SQL, combo config.CombinedSettings) (*Compiler, err
 		c.catalog = dolphin.NewCatalog()
 	case config.EnginePostgreSQL:
 		c.parser = postgresql.NewParser()
-		c.catalog = postgresql.NewCatalog()
+		c.catalog = postgresql.NewCatalog(combo.Package.DefaultSchema)
 		if conf.Database != nil {
 			if conf.Analyzer.Database == nil || *conf.Analyzer.Database {
 				c.analyzer = analyzer.Cached(

internal/config/config.go

@@ -111,6 +111,7 @@ type SQL struct {
 	Name                 string    `json:"name" yaml:"name"`
 	Engine               Engine    `json:"engine,omitempty" yaml:"engine"`
 	Schema               Paths     `json:"schema" yaml:"schema"`
+	DefaultSchema        string    `json:"default_schema" yaml:"default_schema"`
 	Queries              Paths     `json:"queries" yaml:"queries"`
 	Database             *Database `json:"database" yaml:"database"`
 	StrictFunctionChecks bool      `json:"strict_function_checks" yaml:"strict_function_checks"`

internal/engine/postgresql/catalog.go

@@ -8,12 +8,15 @@ func toPointer(x int) *int {
 	return &x
 }
 
-func NewCatalog() *catalog.Catalog {
-	c := catalog.New("public")
+func NewCatalog(defaultSchema string) *catalog.Catalog {
+	if defaultSchema == "" {
+		defaultSchema = "public"
+	}
+	c := catalog.New(defaultSchema)
 	c.Schemas = append(c.Schemas, pgTemp())
 	c.Schemas = append(c.Schemas, genPGCatalog())
 	c.Schemas = append(c.Schemas, genInformationSchema())
-	c.SearchPath = []string{"pg_catalog"}
+	c.SearchPath = []string{"pg_catalog", defaultSchema}
 	c.LoadExtension = loadExtension
 	return c
 }