sqlobject-cvs Mailing List for SQLObject (Page 136)

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Patches item #1353728, was opened at 2005-11-11 10:20
Message generated for change (Comment added) made by phd
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=540674&aid=1353728&group_id=74338

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Category: None
Group: None
Status: Open
Resolution: Invalid
Priority: 5
Submitted By: Pau Aliagas (linux4u)
Assigned to: Oleg Broytmann (phd)
Summary: define foreign keys in Style

Initial Comment:

I don't like to use attrID all along the code to access related tables, I want to be able use the nomeclature I like taking advantage of the nice Style idea. This is especially true when you create RelatedJoins when you use a nomeclature like I do (table.id_table), but it's the same for all the nomeclatures you can imagine.

In styles.py it warns:

    def instanceAttrToIDAttr(self, attr):
        # @@: Right now, because of how names are created for foreign
        # keys, you can't really change this style.
        return attr + "ID"

With this patch you can define how you want the foreign keys generated, they won't be mandatorily generated as attrID.

Example:

class LongStyle(Style):
        """
        This style is derived from Style, that does not do any translation,
        but constructs the table ids like id_table.
        """
        def instanceAttrToIDAttr(self, attr):
                return "id_" + attr

        def tableReference(self, table):
                # str.rsplit is python 2.4+ only
                if version_info >= (2, 4):
                        return "id_" + table.rsplit(".", 1)[-1]
                else:
                        return "id_" + rsplit(table, ".", 1)[-1]

class mm_server(SQLObject):
        class sqlmeta:
                table = "smsarena.mm_server"
                style = LongStyle(longID = True)
        _connection = conn_smsarena
        server = StringCol(alternateID = True, varchar = True, length = 255, alternateMethodName = "by_server")
        tz = StringCol(length = 20, default = 'CET', notNone = True)
        conutry_code = StringCol(length = 2, varchar = False, default = '', notNone = True)
        # until now I had to do this
        # mm_server_aliases = SQLMultipleJoin("mm_server_alias", joinColumn = "mm_serverID", orderBy = "server")
        # now it's perfect!
        mm_server_aliases = SQLMultipleJoin("mm_server_alias", orderBy = "server")

class mm_server_alias(SQLObject):
        class sqlmeta:
                table = "smsarena.mm_server_alias"
                style = LongStyle(longID = True)
        _connection = conn_smsarena
        # until now I had to do this
        # mm_server = ForeignKey("mm_server", dbName = "id_mm_server")
        mm_server = ForeignKey("mm_server")
        server = StringCol(alternateID = True, varchar = True, length = 255, alternateMethodName = "by_server")

I hope it's clear :)

Pau

----------------------------------------------------------------------

>Comment By: Oleg Broytmann (phd)
Date: 2006-02-17 15:38

Message:
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Except for the problem i test_ForeignKey.py that I know
about... others look pretty strange. Let look at the
environment.

What DB versions? MySQL, PgSQL, SQLite? Drivers versions?
MySQLdb, psycopg, PySQLite?

MyPostgres is 7.4, psycopg 1.1.21 and 2.0b5. PySQLite 1.1.7
and 2.1.3.

A week ago I upgarded to SQLite 3.3.3 and PySQLite 2.1.3;
that eliminated some minor problems with patches I have had
with SQLIte 2.8.0 and PySQLite 2.1.0.

----------------------------------------------------------------------

Comment By: Pau Aliagas (linux4u)
Date: 2006-02-17 15:11

Message:
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Ok, plain SQLObject from SVN now, no patch.

There are tests that fail for me in current SQLObject in
mysql, postgres and sqlite. I attach them all. This is a
fully updated Fedora 4.

I've made the tests in mysql and there are some thet do not
pass. I enclose the results and a file where I comment why
the fail and a possible solution.

The tests that fail in postgres and sqlite are the ones I've
already reported (mnore or less).

Any help?

----------------------------------------------------------------------

Comment By: Oleg Broytmann (phd)
Date: 2006-02-17 12:22

Message:
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No, the latest SQLObject passes all tests (how would I
commit your other patch if a test fail?) except for minor
glitch in test_ForeignKey.py which I'm going to resolve RSN.
test_auto.py certainly pass.

----------------------------------------------------------------------

Comment By: Pau Aliagas (linux4u)
Date: 2006-02-17 12:13

Message:
Logged In: YES 
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I've run the test with the latest SQLObject (no extra
patches) and the tests fail too, at least they fail when I
run them.

As I explained before, there's something wrong when adding
columns to sqlite, it fails and all the tests that depend on
the added columns fail too.

Does it happen to you too?

----------------------------------------------------------------------

Comment By: Oleg Broytmann (phd)
Date: 2006-02-16 18:16

Message:
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These tests fail in both Postgres and SQLite. Two major
backends (of 3) for SQLObject.

If the problem is in tests you can patch tests, too...

test_auto.py:

    def test_dynamicJoin(self):
        col = KeyCol('personID', foreignKey='Person')
        Phone.sqlmeta.addColumn(col, changeSchema=True)
        join = MultipleJoin('Phone')
        Person.sqlmeta.addJoin(join)
        for phone in Phone.select('all'):
            if phone.phone.startswith('555'):
                phone.person = Person.selectBy(name='tim')[0]
            else:
                phone.person = Person.selectBy(name='bob')[0]
>       l = [p.phone for p in
Person.selectBy(name='tim')[0].phones]

[/home/phd/work/SQLObject/SQLObject-rlike/sqlobject/tests/test_auto.py:59]
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ 

>   [failure to get at sourcelines from <TracebackEntry
/home/phd/work/SQLObject/SQLObject-rlike/sqlobject/tests/<string>:1>]

[/home/phd/work/SQLObject/SQLObject-rlike/sqlobject/tests/<string>:1]
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ 

    def performJoin(self, inst):
        ids = inst._connection._SO_selectJoin(
            self.otherClass,
            self.joinColumn,
>           inst.id)

[/home/phd/work/SQLObject/SQLObject-rlike/sqlobject/joins.py:144]
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ 

    def _SO_selectJoin(self, soClass, column, value):
        return self.queryAll("SELECT %s FROM %s WHERE %s = %s" %
                             (soClass.sqlmeta.idName,
                              soClass.sqlmeta.table,
                              column,
>                             self.sqlrepr(value)))

[/home/phd/work/SQLObject/SQLObject-rlike/sqlobject/dbconnection.py:652]
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ 

    def queryAll(self, s):
>       return self._runWithConnection(self._queryAll, s)

[/home/phd/work/SQLObject/SQLObject-rlike/sqlobject/dbconnection.py:327]
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ 

    def _runWithConnection(self, meth, *args):
        conn = self.getConnection()
        try:
>           val = meth(conn, *args)

[/home/phd/work/SQLObject/SQLObject-rlike/sqlobject/dbconnection.py:228]
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ 

    def _queryAll(self, conn, s):
        if self.debug:
            self.printDebug(conn, s, 'QueryAll')
        c = conn.cursor()
>       self._executeRetry(conn, c, s)

[/home/phd/work/SQLObject/SQLObject-rlike/sqlobject/dbconnection.py:320]
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ 

    def _executeRetry(self, conn, cursor, query):
        if self.debug:
            self.printDebug(conn, query, 'QueryR')
E       return cursor.execute(query)
>       OperationalError: no such column: person_id

[/home/phd/work/SQLObject/SQLObject-rlike/sqlobject/dbconnection.py:306]
- - - - - - - - - - -  test_dynamicJoin: recorded stdout - -
- - - - - - - - - 
 1/QueryOne:  SELECT tbl_name FROM sqlite_master WHERE
type='table' AND tbl_name = 'person'
 1/QueryR  :  SELECT tbl_name FROM sqlite_master WHERE
type='table' AND tbl_name = 'person'
 1/COMMIT  :  auto
 1/QueryOne:  SELECT tbl_name FROM sqlite_master WHERE
type='table' AND tbl_name = 'person'
 1/QueryR  :  SELECT tbl_name FROM sqlite_master WHERE
type='table' AND tbl_name = 'person'
 1/COMMIT  :  auto
 1/Query   :  DELETE FROM person
 1/QueryR  :  DELETE FROM person
 1/COMMIT  :  auto
 1/QueryOne:  SELECT tbl_name FROM sqlite_master WHERE
type='table' AND tbl_name = 'person'
 1/QueryR  :  SELECT tbl_name FROM sqlite_master WHERE
type='table' AND tbl_name = 'person'
 1/COMMIT  :  auto
 1/QueryOne:  SELECT tbl_name FROM sqlite_master WHERE
type='table' AND tbl_name = 'phone'
 1/QueryR  :  SELECT tbl_name FROM sqlite_master WHERE
type='table' AND tbl_name = 'phone'
 1/COMMIT  :  auto
 1/QueryOne:  SELECT tbl_name FROM sqlite_master WHERE
type='table' AND tbl_name = 'phone'
 1/QueryR  :  SELECT tbl_name FROM sqlite_master WHERE
type='table' AND tbl_name = 'phone'
 1/COMMIT  :  auto
 1/Query   :  DELETE FROM phone
 1/QueryR  :  DELETE FROM phone
 1/COMMIT  :  auto
 1/QueryOne:  SELECT tbl_name FROM sqlite_master WHERE
type='table' AND tbl_name = 'phone'
 1/QueryR  :  SELECT tbl_name FROM sqlite_master WHERE
type='table' AND tbl_name = 'phone'
 1/COMMIT  :  auto
 1/QueryIns:  INSERT INTO person (name_col) VALUES ('jane')
 1/COMMIT  :  auto
 1/QueryOne:  SELECT name_col FROM person WHERE id = 1
 1/QueryR  :  SELECT name_col FROM person WHERE id = 1
 1/COMMIT  :  auto
 1/QueryIns:  INSERT INTO person (name_col) VALUES ('tim')
 1/COMMIT  :  auto
 1/QueryOne:  SELECT name_col FROM person WHERE id = 2
 1/QueryR  :  SELECT name_col FROM person WHERE id = 2
 1/COMMIT  :  auto
 1/QueryIns:  INSERT INTO person (name_col) VALUES ('bob')
 1/COMMIT  :  auto
 1/QueryOne:  SELECT name_col FROM person WHERE id = 3
 1/QueryR  :  SELECT name_col FROM person WHERE id = 3
 1/COMMIT  :  auto
 1/QueryIns:  INSERT INTO person (name_col) VALUES ('jake')
 1/COMMIT  :  auto
 1/QueryOne:  SELECT name_col FROM person WHERE id = 4
 1/QueryR  :  SELECT name_col FROM person WHERE id = 4
 1/COMMIT  :  auto
 1/QueryIns:  INSERT INTO phone (phone) VALUES ('555-555-5555')
 1/COMMIT  :  auto
 1/QueryOne:  SELECT phone FROM phone WHERE id = 1
 1/QueryR  :  SELECT phone FROM phone WHERE id = 1
 1/COMMIT  :  auto
 1/QueryIns:  INSERT INTO phone (phone) VALUES ('555-394-2930')
 1/COMMIT  :  auto
 1/QueryOne:  SELECT phone FROM phone WHERE id = 2
 1/QueryR  :  SELECT phone FROM phone WHERE id = 2
 1/COMMIT  :  auto
 1/QueryIns:  INSERT INTO phone (phone) VALUES ('444-382-4854')
 1/COMMIT  :  auto
 1/QueryOne:  SELECT phone FROM phone WHERE id = 3
 1/QueryR  :  SELECT phone FROM phone WHERE id = 3
 1/COMMIT  :  auto
 1/Query   :  ALTER TABLE phone ADD COLUMN person_i_d_id INT
 1/QueryR  :  ALTER TABLE phone ADD COLUMN person_i_d_id INT
 1/COMMIT  :  auto
 1/Select  :  SELECT phone.id, phone.phone,
phone.person_i_d_id FROM phone WHERE 1 = 1 ORDER BY phone
 1/QueryR  :  SELECT phone.id, phone.phone,
phone.person_i_d_id FROM phone WHERE 1 = 1 ORDER BY phone
 1/COMMIT  :  auto
 1/Select  :  SELECT person.id, person.name_col FROM person
WHERE name_col = 'bob' ORDER BY name_col LIMIT 1
 1/QueryR  :  SELECT person.id, person.name_col FROM person
WHERE name_col = 'bob' ORDER BY name_col LIMIT 1
 1/COMMIT  :  auto
 1/Select  :  SELECT person.id, person.name_col FROM person
WHERE name_col = 'tim' ORDER BY name_col LIMIT 1
 1/QueryR  :  SELECT person.id, person.name_col FROM person
WHERE name_col = 'tim' ORDER BY name_col LIMIT 1
 1/COMMIT  :  auto
 1/Select  :  SELECT person.id, person.name_col FROM person
WHERE name_col = 'tim' ORDER BY name_col LIMIT 1
 1/QueryR  :  SELECT person.id, person.name_col FROM person
WHERE name_col = 'tim' ORDER BY name_col LIMIT 1
 1/COMMIT  :  auto
 1/Select  :  SELECT person.id, person.name_col FROM person
WHERE name_col = 'tim' ORDER BY name_col LIMIT 1
 1/QueryR  :  SELECT person.id, person.name_col FROM person
WHERE name_col = 'tim' ORDER BY name_col LIMIT 1
 1/COMMIT  :  auto
 1/QueryAll:  SELECT id FROM phone WHERE person_id = 2
 1/QueryR  :  SELECT id FROM phone WHERE person_id = 2
 1/COMMIT  :  auto

----------------------------------------------------------------------

Comment By: Pau Aliagas (linux4u)
Date: 2006-02-15 18:54

Message:
Logged In: YES 
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Ok, here I go again. I've fixed a small bug: the name of the
field was not porperly set when using Key(foreignKey...
instead of ForeignKey. This fixes test_basic.

And I think that there is nothing else to fix, I'm probably
wrong, but I'll explain it hera.

test_auto_old.py... FAIL
test_auto.py... FAIL
test_foreignKey.py... FAIL

These tests fail because sqlite is failing when adding
columns. In mysql it does not fail. I do not think it's this
patch fault.

And finally:
test_SQLMultipleJoin.py... FAIL

E       assert str(hibrid.fightersAsSResult.sum('power')) ==
'23'
>       assert '23.0' == '23'
         +  where '23.0' = str(23.0)
         +    where 23.0 = <Race 3 name="'hibrid (human
wi...'">.fightersAsSResult.sum('power')

Again this is an error in the test.

Please let me know if it can go in now :)
If you can have a quick look at it better, it takes time to
restart ths tests, I'd rather do it before I move on to
another thing.

Thanks
Pau

----------------------------------------------------------------------

Comment By: Pau Aliagas (linux4u)
Date: 2006-02-14 12:05

Message:
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Oleg, I've posted to the list because I run the tests and
pass. I'm sure I'm doing something wrong but I don't see
what. I lost more than 3 hours yesterday just trying to run
te tests :(

I printed things in dbtest.py and say that TESTDB did not
change anything. I chenged manually conftest.py because I
ahd a message that yoiu need sqlite2 for memory databases,
but still I'm not sure everything works becasue I pass al
the tests.

Can you help me, I want to close this patch soon and move to
other improvements but this is being much more difficult
than it should.

Thanks a lot
Pau

----------------------------------------------------------------------

Comment By: Pau Aliagas (linux4u)
Date: 2006-02-09 19:42

Message:
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I'm very busy but again will try to find some time to fix it.
I'm using it every day without a glitch, even using the
clause attributes like in the Complex example (new type of
joins *toMany).
I'll update it to latest SVN just in case this is the
problem, I did it with that day's current.

Please do not close it, I really intend to pass the tests,
I'm already using it.

----------------------------------------------------------------------

Comment By: Oleg Broytmann (phd)
Date: 2006-02-09 19:11

Message:
Logged In: YES 
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test_auto.py, for example fails:
    def test_dynamicJoin(self):
        col = KeyCol('personID', foreignKey='Person')
        Phone.sqlmeta.addColumn(col, changeSchema=True)
        join = MultipleJoin('Phone')
        Person.sqlmeta.addJoin(join)
        for phone in Phone.select('all'):
            if phone.phone.startswith('555'):
                phone.person = Person.selectBy(name='tim')[0]
            else:
                phone.person = Person.selectBy(name='bob')[0]
        l = [p.phone for p in
Person.selectBy(name='tim')[0].phones]
        l.sort()
E       assert l == ['555-394-2930', '555-555-5555']
>       assert [] == ['555-394-2930', '555-555-5555']

[sqlobject/tests/test_auto.py:61]

----------------------------------------------------------------------

Comment By: Pau Aliagas (linux4u)
Date: 2006-01-30 21:10

Message:
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I'll recheck it, it really passed all the tests applied to
the latest svn. I tell you something tomorrow.

----------------------------------------------------------------------

Comment By: Pau Aliagas (linux4u)
Date: 2006-01-30 21:07

Message:
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I'll recheck it, it really passed all the tests applied to
the latest svn. I tell you something tomorrow.

----------------------------------------------------------------------

Comment By: Oleg Broytmann (phd)
Date: 2006-01-30 20:57

Message:
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test_auto.py, test_auto_old.py and test_basic.py failed.

----------------------------------------------------------------------

Comment By: Pau Aliagas (linux4u)
Date: 2006-01-18 19:04

Message:
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This is the final patch against latest svn, it includes
everything in one single patch. It passes the tests.

----------------------------------------------------------------------

Comment By: Pau Aliagas (linux4u)
Date: 2006-01-18 16:17

Message:
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Ok, I have taken my time to understand pydist, test, etc,
and here I am back with the working solution :)

Now the resulting SQLobject passes all the tests.

I attach an incremental patch so that you can see more
clearly the changes done to fix the previous one.

I've needed a new method in the Style class,
instanceIDAttrToAttr, that is the complementary to the
already known instanceAttrToIDAttr. If you need to transform
back and forth field names, you need them both.

I haven't tried to port it to the latest svn yet, this is
against the same release than the first patch, but it should
apply more or less clearly as this are very isolated areas
in the code. When I do it I'll post it here.

Sorry for the delay, it has not been easy for me to
understand more deeply the code and, even less, to know how
the tests work :)

----------------------------------------------------------------------

Comment By: Pau Aliagas (linux4u)
Date: 2006-01-03 15:18

Message:
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It fails because the test is not right, it still has the ID
postfix hardcoded. My fault, I did no send a patch for
tests. This is the piece that fails:

    # Select by usual way
    s = TestWorkKey.selectBy(composerID=c.id,
title='Symphony No. 9')

I have not looked at tests until now, but it looks like
there should be tests for the different provides styles, in
this case, if you accept the patch, at least a test for the
LongStyle provided and for the current naming styles.

I'll try to cook up something, but it can take a little
time. Any guidelines will be appreciated (I've just read the
docs ;)

----------------------------------------------------------------------

Comment By: Oleg Broytmann (phd)
Date: 2006-01-03 14:23

Message:
Logged In: YES 
user_id=4799

test_selectBy_foreignKey.py fails:

    def test1():
        setupClass([TestComposerKey,
                    TestWorkKey])

        c = TestComposerKey(name='Mahler, Gustav')
>       w1 = TestWorkKey(composer=c, title='Symphony No. 9')

[/home/phd/work/SQLObject/SQLObject-patches/sqlobject/tests/test_selectBy_foreignKey.py:19]
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ 

    def __init__(self, **kw):
        # The get() classmethod/constructor uses a magic keyword
        # argument when it wants an empty object, fetched
from the
        # database.  So we have nothing more to do in that case:
        if kw.has_key('_SO_fetch_no_create'):
            return

        post_funcs = []
        self.sqlmeta.send(events.RowCreateSignal, kw,
post_funcs)

        # Pass the connection object along if we were given one.
        if kw.has_key('connection'):
            self._connection = kw['connection']
            self.sqlmeta._perConnection = True
            del kw['connection']

        self._SO_writeLock = threading.Lock()

        if kw.has_key('id'):
            id = self.sqlmeta.idType(kw['id'])
            del kw['id']
        else:
            id = None

>       self._create(id, **kw)

[/home/phd/work/SQLObject/SQLObject-patches/sqlobject/main.py:1210]
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ 

    def _create(self, id, **kw):

        self.sqlmeta._creating = True
        self._SO_createValues = {}
        self._SO_validatorState = SQLObjectState(self)

        # First we do a little fix-up on the keywords we were
        # passed:
        for column in self.sqlmeta.columnList:

            # Then we check if the column wasn't passed in, and
            # if not we try to get the default.
            if not kw.has_key(column.name) and not
kw.has_key(column.foreignName):
                default = column.default

                # If we don't get it, it's an error:
                if default is NoDefault:
E                   raise TypeError, "%s() did not get
expected keyword argument %s" % (self.__class__.__name__,
column.name)
>                   TypeError: TestWorkKey() did not get
expected keyword argument composerID

[/home/phd/work/SQLObject/SQLObject-patches/sqlobject/main.py:1231]
- - - - - - - - - - - - -  test1: recorded stdout - - - - -
- - - - - - - - - 
 1/QueryOne:  SELECT COUNT(relname) FROM pg_class WHERE
relname = 'test_work_key'
 1/QueryR  :  SELECT COUNT(relname) FROM pg_class WHERE
relname = 'test_work_key'
 1/COMMIT  :  auto
 1/QueryOne:  SELECT COUNT(relname) FROM pg_class WHERE
relname = 'test_composer_key'
 1/QueryR  :  SELECT COUNT(relname) FROM pg_class WHERE
relname = 'test_composer_key'
 1/COMMIT  :  auto
 1/QueryOne:  SELECT COUNT(relname) FROM pg_class WHERE
relname = 'test_work_key'
 1/QueryR  :  SELECT COUNT(relname) FROM pg_class WHERE
relname = 'test_work_key'
 1/COMMIT  :  auto
 1/QueryOne:  SELECT COUNT(relname) FROM pg_class WHERE
relname = 'test_composer_key'
 1/QueryR  :  SELECT COUNT(relname) FROM pg_class WHERE
relname = 'test_composer_key'
 1/COMMIT  :  auto
 1/QueryOne:  SELECT COUNT(relname) FROM pg_class WHERE
relname = 'test_composer_key'
 1/QueryR  :  SELECT COUNT(relname) FROM pg_class WHERE
relname = 'test_composer_key'
 1/COMMIT  :  auto
 1/Query   :  CREATE TABLE test_composer_key (
    id SERIAL PRIMARY KEY,
    name TEXT
)
 1/QueryR  :  CREATE TABLE test_composer_key (
    id SERIAL PRIMARY KEY,
    name TEXT
)
 1/COMMIT  :  auto
 1/QueryOne:  SELECT COUNT(relname) FROM pg_class WHERE
relname = 'test_work_key'
 1/QueryR  :  SELECT COUNT(relname) FROM pg_class WHERE
relname = 'test_work_key'
 1/COMMIT  :  auto
 1/Query   :  CREATE TABLE test_work_key (
    work_id SERIAL PRIMARY KEY,
    composer_id INT,
    title TEXT
)
 1/QueryR  :  CREATE TABLE test_work_key (
    work_id SERIAL PRIMARY KEY,
    composer_id INT,
    title TEXT
)
 1/COMMIT  :  auto
 1/Query   :  ALTER TABLE test_work_key ADD CONSTRAINT
composer_id_exists FOREIGN KEY (composer_id) REFERENCES
test_composer_key (id) 
 1/QueryR  :  ALTER TABLE test_work_key ADD CONSTRAINT
composer_id_exists FOREIGN KEY (composer_id) REFERENCES
test_composer_key (id) 
 1/COMMIT  :  auto
 1/QueryIns:  INSERT INTO test_composer_key (id, name)
VALUES (1, 'Mahler, Gustav')
 1/COMMIT  :  auto
 1/QueryOne:  SELECT name FROM test_composer_key WHERE id = 1
 1/QueryR  :  SELECT name FROM test_composer_key WHERE id = 1
 1/COMMIT  :  auto

----------------------------------------------------------------------

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2006	Jan (159)	Feb (144)	Mar (64)	Apr (31)	May (88)	Jun (48)	Jul (16)	Aug (64)	Sep (87)	Oct (92)	Nov (56)	Dec (76)
2007	Jan (94)	Feb (103)	Mar (126)	Apr (123)	May (85)	Jun (11)	Jul (130)	Aug (47)	Sep (65)	Oct (70)	Nov (12)	Dec (11)
2008	Jan (30)	Feb (55)	Mar (88)	Apr (20)	May (50)	Jun	Jul (38)	Aug (1)	Sep (9)	Oct (5)	Nov (6)	Dec (39)
2009	Jan (8)	Feb (16)	Mar (3)	Apr (33)	May (44)	Jun (1)	Jul (10)	Aug (33)	Sep (74)	Oct (22)	Nov	Dec (15)
2010	Jan (28)	Feb (22)	Mar (46)	Apr (29)	May (1)	Jun (1)	Jul (27)	Aug (8)	Sep (5)	Oct (33)	Nov (24)	Dec (41)
2011	Jan (4)	Feb (12)	Mar (35)	Apr (29)	May (19)	Jun (16)	Jul (32)	Aug (25)	Sep (5)	Oct (11)	Nov (21)	Dec (12)
2012	Jan (3)	Feb (4)	Mar (20)	Apr (4)	May (25)	Jun (13)	Jul	Aug	Sep (2)	Oct (25)	Nov (9)	Dec (1)
2013	Jan (6)	Feb (8)	Mar	Apr (10)	May (31)	Jun (7)	Jul (18)	Aug (33)	Sep (4)	Oct (16)	Nov	Dec (27)
2014	Jan (2)	Feb	Mar	Apr (11)	May (39)	Jun (8)	Jul (11)	Aug (4)	Sep	Oct (27)	Nov	Dec (71)
2015	Jan (17)	Feb (47)	Mar (33)	Apr	May	Jun (9)	Jul (7)	Aug	Sep	Oct	Nov	Dec (8)
2016	Jan (4)	Feb (4)	Mar	Apr	May (12)	Jun (7)	Jul (9)	Aug (31)	Sep (8)	Oct (3)	Nov (15)	Dec (1)
2017	Jan (13)	Feb (7)	Mar (14)	Apr (8)	May (10)	Jun (4)	Jul (2)	Aug (1)	Sep	Oct (8)	Nov (4)	Dec (5)
2018	Jan (2)	Feb (8)	Mar	Apr (4)	May	Jun (6)	Jul	Aug (1)	Sep	Oct	Nov (1)	Dec
2019	Jan (1)	Feb (16)	Mar (1)	Apr (3)	May (5)	Jun (1)	Jul	Aug	Sep (2)	Oct	Nov (1)	Dec (3)
2020	Jan	Feb	Mar	Apr (1)	May (1)	Jun	Jul	Aug (1)	Sep	Oct (2)	Nov	Dec (2)
2021	Jan	Feb (2)	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct (1)	Nov (1)	Dec
2022	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep (6)	Oct (1)	Nov (1)	Dec (4)
2023	Jan	Feb	Mar	Apr	May	Jun	Jul (1)	Aug (3)	Sep (2)	Oct (2)	Nov (4)	Dec
2024	Jan	Feb (2)	Mar	Apr	May	Jun	Jul (1)	Aug	Sep (1)	Oct	Nov	Dec (9)
2025	Jan	Feb (4)	Mar (2)	Apr	May	Jun	Jul	Aug (1)	Sep	Oct	Nov (2)	Dec (2)

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