#!/usr/bin/env python3.2

#

# Print differencies between data in two tables of same schema.

#

# Requirements:

#  * First column of both tables must be numerical primary key.

#  * Destination table must contain all columns from source table.

#    Order is not important.

#

from pgtoolkit import pgmanager, pgbrowser, pgdatadiff, toolbase

class TableDiffTool(toolbase.SrcDstTool):

    def __init__(self):

        toolbase.SrcDstTool.__init__(self, name='tablediff', desc='Table diff.')

        self.parser.add_argument('srctable', metavar='srctable',

            type=str, help='Source table name.')

        self.parser.add_argument('--dst-table', dest='dsttable', metavar='dsttable',

            type=str, default=None, help='Destination table (default=srctable).')

        self.parser.add_argument('-s', '--src-schema', dest='srcschema', metavar='srcschema',

            type=str, default='public', help='Schema name (default=public).')

        self.parser.add_argument('--dst-schema', dest='dstschema', metavar='dstschema',

            type=str, default=None, help='Destination schema name (default=srcschema).')

        self.parser.add_argument('--sql', action='store_true', help='Output is SQL script.')

        self.init()

    def main(self):

        srcschema = self.args.srcschema

        dstschema = self.args.dstschema if self.args.dstschema else self.args.srcschema

        srctable = self.args.srctable

        dsttable = self.args.dsttable if self.args.dsttable else self.args.srctable

        dd = pgdatadiff.PgDataDiff(self.pgm.get_conn('src'), self.pgm.get_conn('dst'))

        dd.settable1(srctable, srcschema)

        dd.settable2(dsttable, dstschema)

        if self.args.sql:

            dd.print_patch()

        else:

            dd.print_diff()

tool = TableDiffTool()

tool.main()