Esempio n. 1
0
         Optional(GROUP_BY + delimitedList(Group(selectColumn))("groupby")) +
         Optional(HAVING + expr("having")) + Optional(LIMIT + expr("limit")) +
         Optional(OFFSET + expr("offset"))))

ordered_sql << Group(
    Group(
        Group(unordered_sql + ZeroOrMore((UNION_ALL | UNION) + unordered_sql))
        ("union"))("from") +
    Optional(ORDER_BY + delimitedList(Group(sortColumn))("orderby")) +
    Optional(LIMIT + expr("limit")) +
    Optional(OFFSET + expr("offset"))).addParseAction(to_union_call)

statement = Group(
    Group(
        Optional(WITH + delimitedList(
            Group(
                ident("name") + AS + LB + ordered_sql("value") +
                Literal(")").suppress()))))("with") +
    ordered_sql("query")).addParseAction(to_with_clause)

SQLParser = statement

# IGNORE SOME COMMENTS
oracleSqlComment = Literal("--") + restOfLine
mySqlComment = Literal("#") + restOfLine

engine.add_ignore(oracleSqlComment)
engine.add_ignore(mySqlComment)

engine.release()
Esempio n. 2
0
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this file,
# You can obtain one at http://mozilla.org/MPL/2.0/.
#
# Contact: Kyle Lahnakoski ([email protected])
#

from __future__ import absolute_import, division, unicode_literals

from mo_parsing.engine import Engine
from moz_sql_parser.keywords import *
from moz_sql_parser.utils import *
from moz_sql_parser.row_clause import row_clause

engine = Engine().use()
engine.add_ignore(Literal("--") + restOfLine)
engine.add_ignore(Literal("#") + restOfLine)

# IDENTIFIER
literal_string = Regex(r'\"(\"\"|[^"])*\"').addParseAction(unquote)
mysql_ident = Regex(r"\`(\`\`|[^`])*\`").addParseAction(unquote)
sqlserver_ident = Regex(r"\[(\]\]|[^\]])*\]").addParseAction(unquote)
ident = Combine(~RESERVED + (delimitedList(
    Literal("*") | literal_string | mysql_ident | sqlserver_ident
    | Word(IDENT_CHAR),
    separator=".",
    combine=True,
))).set_parser_name("identifier")

# EXPRESSIONS
expr = Forward()