Method convertColumnDeclaration

internal/engine/clickhouse/convert.go:821–856

(n *chast.ColumnDeclaration)

}

func (c *cc) convertColumnDeclaration(n *chast.ColumnDeclaration) *ast.ColumnDef {
	colDef := &ast.ColumnDef{
		Colname:   identifier(n.Name),
		IsNotNull: isNotNull(n),
	}

	if n.Type != nil {
		colDef.TypeName = &ast.TypeName{
			Name: n.Type.Name,
		}
		// Handle type parameters (e.g., Decimal(10, 2))
		if len(n.Type.Parameters) > 0 {
			colDef.TypeName.Typmods = &ast.List{}
			for _, param := range n.Type.Parameters {
				colDef.TypeName.Typmods.Items = append(colDef.TypeName.Typmods.Items, c.convertExpr(param))
			}
		}
	}

	// Handle PRIMARY KEY constraint
	if n.PrimaryKey {
		colDef.PrimaryKey = true
	}

	// Handle DEFAULT
	if n.Default != nil {
		// colDef.RawDefault = c.convertExpr(n.Default)
	}

	// Handle comment
	if n.Comment != "" {
		colDef.Comment = n.Comment
	}

	return colDef
}

func (c *cc) convertUpdateQuery(n *chast.UpdateQuery) *ast.UpdateStmt {
	rv := &ast.RangeVar{