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48 lines
1.0 KiB
Go
48 lines
1.0 KiB
Go
package duckdb
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import (
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"log"
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"strings"
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dw "github.com/sqlc-dev/darkwing/ast"
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"github.com/sqlc-dev/sqlc/internal/debug"
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"github.com/sqlc-dev/sqlc/internal/sql/ast"
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)
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func todo(n dw.Node) *ast.TODO {
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if debug.Active {
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log.Printf("duckdb.convert: Unknown node type %T\n", n)
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}
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return &ast.TODO{}
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}
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// identifier normalizes an identifier. DuckDB identifiers are
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// case-insensitive (though case-preserving); the catalog matches them
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// lowercased.
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func identifier(id string) string {
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return strings.ToLower(id)
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}
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func NewIdentifier(t string) *ast.String {
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return &ast.String{Str: identifier(t)}
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}
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// schemaName normalizes a schema qualifier. DuckDB's default "main" schema
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// maps to the catalog's default namespace, so it is treated as unqualified.
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func schemaName(s string) string {
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s = identifier(s)
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if s == "main" {
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return ""
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}
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return s
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}
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func parseTableName(catalog, schema, name string) *ast.TableName {
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return &ast.TableName{
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Catalog: identifier(catalog),
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Schema: schemaName(schema),
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Name: identifier(name),
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}
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}
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