Method convertAlter_table_stmtContext

internal/engine/sqlite/convert.go:42–100

(n *parser.Alter_table_stmtContext)

}

func (c *cc) convertAlter_table_stmtContext(n *parser.Alter_table_stmtContext) ast.Node {
	if n.RENAME_() != nil {
		if newTable, ok := n.New_table_name().(*parser.New_table_nameContext); ok {
			name := identifier(newTable.Any_name().GetText())
			return &ast.RenameTableStmt{
				Table:   parseTableName(n),
				NewName: &name,
			}
		}

		if newCol, ok := n.GetNew_column_name().(*parser.Column_nameContext); ok {
			name := identifier(newCol.Any_name().GetText())
			return &ast.RenameColumnStmt{
				Table: parseTableName(n),
				Col: &ast.ColumnRef{
					Name: identifier(n.GetOld_column_name().GetText()),
				},
				NewName: &name,
			}
		}
	}

	if n.ADD_() != nil {
		if def, ok := n.Column_def().(*parser.Column_defContext); ok {
			stmt := &ast.AlterTableStmt{
				Table: parseTableName(n),
				Cmds:  &ast.List{},
			}
			name := def.Column_name().GetText()
			stmt.Cmds.Items = append(stmt.Cmds.Items, &ast.AlterTableCmd{
				Name:    &name,
				Subtype: ast.AT_AddColumn,
				Def: &ast.ColumnDef{
					Colname: name,
					TypeName: &ast.TypeName{
						Name: def.Type_name().GetText(),
					},
					IsNotNull: hasNotNullConstraint(def.AllColumn_constraint()),
				},
			})
			return stmt
		}
	}

	if n.DROP_() != nil {
		stmt := &ast.AlterTableStmt{
			Table: parseTableName(n),
			Cmds:  &ast.List{},
		}
		name := n.Column_name(0).GetText()
		stmt.Cmds.Items = append(stmt.Cmds.Items, &ast.AlterTableCmd{
			Name:    &name,
			Subtype: ast.AT_DropColumn,
		})
		return stmt
	}

	return todo("convertAlter_table_stmtContext", n)