peewee Documentation
Release 3.3.0joindate FROM members WHERE joindate = (SELECT MAX(joindate) FROM members); # Use "alias()" to reference the same table multiple times in a query. MemberAlias = Member.alias() subq = MemberAlias.select(fn information. Operations that alter your data like this are collectively known as Data Manipulation Language, or DML. In previous sections, we returned to you the results of the query you’ve performed. Since mems.memid ORDER By memid DESC; MA = Member.alias() Recommenders = Table('recommenders') # Obtain reference to cte name. lhs = Member.select(Member.recommendedby).where(Member.memid == 27) rhs = (Recommenders0 码力 | 280 页 | 1.02 MB | 1 年前3
peewee Documentation
Release 3.5.0create_tables(MODELS) # Create schema. load_fixture_data(db) DB-API Connection Object To obtain a reference to the underlying DB-API 2.0 connection, use the Database.connection() method. This method will mapping operations such as “LIKE/ILIKE” to their database equivalent Refer to the Database API reference or the source code [https://github.com/coleifer/peewee/blob/master/peewee.py]. for details. Note wrap your default value in a simple function so that multiple model instances are not sharing a reference to the same underlying object: def house_defaults(): return {'beds': 0, 'baths': 0} class0 码力 | 347 页 | 380.80 KB | 1 年前3
peewee Documentation Release 3.4.0joindate FROM members WHERE joindate = (SELECT MAX(joindate) FROM members); # Use "alias()" to reference the same table multiple times in a query. MemberAlias = Member.alias() subq = MemberAlias.select(fn information. Operations that alter your data like this are collectively known as Data Manipulation Language, or DML. In previous sections, we returned to you the results of the query you’ve performed. Since create_tables(MODELS) # Create schema. load_fixture_data(db) DB-API Connection Object To obtain a reference to the underlying DB-API 2.0 connection, use the Database.connection() method. This method will0 码力 | 349 页 | 382.34 KB | 1 年前3
peewee Documentation
Release 3.5.0create_tables(MODELS) # Create schema. load_fixture_data(db) DB-API Connection Object To obtain a reference to the underlying DB-API 2.0 connection, use the Database.connection() method. This method will mapping operations such as “LIKE/ILIKE” to their database equivalent Refer to the Database API reference or the source code. for details. 1.5. Database 41 peewee Documentation, Release 3.5.0 Note: If wrap your default value in a simple function so that multiple model instances are not sharing a reference to the same underlying object: def house_defaults(): return {'beds': 0, 'baths': 0} class House(Model):0 码力 | 282 页 | 1.02 MB | 1 年前3
peewee Documentation
Release 3.4.0joindate FROM members WHERE joindate = (SELECT MAX(joindate) FROM members); # Use "alias()" to reference the same table multiple times in a query. MemberAlias = Member.alias() subq = MemberAlias.select(fn information. Operations that alter your data like this are collectively known as Data Manipulation Language, or DML. In previous sections, we returned to you the results of the query you’ve performed. Since create_tables(MODELS) # Create schema. load_fixture_data(db) DB-API Connection Object To obtain a reference to the underlying DB-API 2.0 connection, use the Database.connection() method. This method will0 码力 | 284 页 | 1.03 MB | 1 年前3
peewee Documentation Release 3.6.0create_tables(MODELS) # Create schema. load_fixture_data(db) DB-API Connection Object To obtain a reference to the underlying DB-API 2.0 connection, use the Database.connection() method. This method will mapping operations such as “LIKE/ILIKE” to their database equivalent Refer to the Database API reference or the source code [https://github.com/coleifer/peewee/blob/master/peewee.py]. for details. Note wrap your default value in a simple function so that multiple model instances are not sharing a reference to the same underlying object: def house_defaults(): return {'beds': 0, 'baths': 0} class0 码力 | 377 页 | 399.12 KB | 1 年前3
peewee Documentation
Release 3.6.0create_tables(MODELS) # Create schema. load_fixture_data(db) DB-API Connection Object To obtain a reference to the underlying DB-API 2.0 connection, use the Database.connection() method. This method will mapping operations such as “LIKE/ILIKE” to their database equivalent Refer to the Database API reference or the source code. for details. 1.5. Database 41 peewee Documentation, Release 3.6.0 Note: If wrap your default value in a simple function so that multiple model instances are not sharing a reference to the same underlying object: def house_defaults(): return {'beds': 0, 'baths': 0} class House(Model):0 码力 | 302 页 | 1.02 MB | 1 年前3
peewee Documentation Release 3.0.0joindate FROM members WHERE joindate = (SELECT MAX(joindate) FROM members); # Use "alias()" to reference the same table multiple times in a query. MemberAlias = Member.alias() subq = MemberAlias.select(fn information. Operations that alter your data like this are collectively known as Data Manipulation Language, or DML. In previous sections, we returned to you the results of the query you’ve performed. Since memid ORDER By memid DESC; MA = Member.alias() Recommenders = Table('recommenders') # Obtain reference to cte name. lhs = Member.select(Member.recommendedby).where(Member.memid == 27) rhs = (Recommenders0 码力 | 319 页 | 361.50 KB | 1 年前3
peewee Documentation Release 1.0.0notes on non-integer primary keys. __init__(column_class[, ...]) Parameters: column_class – a reference to a subclass of Column to use for the underlying storage, defaults to PrimaryKeyColumn. class ple-query-dsl-with-peewee-orm/]. At any rate, ISBL (Information Systems Base Language) is an old domain-specific language for querying relational data, developed by IBM in the 60’s. Here are some example0 码力 | 101 页 | 163.20 KB | 1 年前3
peewee Documentation
Release 1.0.0notes on non-integer primary keys. __init__(column_class[, ...]) Parameters column_class – a reference to a subclass of Column to use for the underlying storage, defaults to PrimaryKeyColumn. class The blog post can be found here. At any rate, ISBL (Information Systems Base Language) is an old domain-specific language for querying relational data, developed by IBM in the 60’s. Here are some example0 码力 | 71 页 | 405.29 KB | 1 年前3
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