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Table of

Table of Contents iv Integer ............................................................................................................................................ 57 Float................................................................................................................................................ 57 Decimal ........................................................................................................................................... 58 String .............................................................................................................................................. 59 Array ............................................................................................................................................... 59 Object ............................................................................................................................................. 60 Blob................................................................................................................................................. 60 Clob................................................................................................................................................. 60 Timestamp ...................................................................................................................................... 61 Time ................................................................................................................................................ 61 Date ................................................................................................................................................ 62 Enum............................................................................................................................................... 62 Gzip................................................................................................................................................. 63 Examples ............................................................................................................................ 63 Relationships ........................................................................................................... 66 Introduction........................................................................................................................ 66 Foreign Key Associations ................................................................................................... 70 One to One...................................................................................................................................... 70 One to Many and Many to One ....................................................................................................... 72 Tree Structure ................................................................................................................................ 73 Join Table Associations....................................................................................................... 74 Many to Many ................................................................................................................................. 74 Self Referencing (Nest Relations) .................................................................................................. 78 Non-Equal Nest Relations ............................................................................................................................ 78 Equal Nest Relations .................................................................................................................................... 80 Foreign Key Constraints..................................................................................................... 82 Introduction .................................................................................................................................... 82 Foreign Key Names ........................................................................................................................ 84 Integrity Actions ............................................................................................................................. 85 Indexes..................................................................................................................... 86 Introduction........................................................................................................................ 86 Adding indexes ................................................................................................................... 86 Index options ...................................................................................................................... 88 Special indexes................................................................................................................... 89 Checks ..................................................................................................................... 90 Table Options........................................................................................................... 91 Record Filters .......................................................................................................... 92 Transitive Persistence ............................................................................................. 94 Application-Level Cascades................................................................................................ 94 Save Cascades ................................................................................................................................ 94 Delete Cascades.............................................................................................................................. 94 Database-Level Cascades ................................................................................................... 95 Conclusion ............................................................................................................... 97 Working with Models ...................................................................................... 98 Define Test Schema ................................................................................................. 98 Dealing with Relations........................................................................................... 102 Creating Related Records ................................................................................................ 102 Retrieving Related Records.............................................................................................. 104 Updating Related Records................................................................................................ 105 Clearing Related Records................................................................................................. 105 Deleting Related Records................................................................................................. 106 Working with Related Records......................................................................................... 107 Testing the Existence of a Relation .............................................................................................. 107 Many-to-Many Relations ........................................................................................ 107 Creating a New Link......................................................................................................... 107 Deleting a Link ................................................................................................................. 108 Fetching Objects.................................................................................................... 109 ----------------- Brought to you by

Table of Contents v Sample Queries ................................................................................................................ 111 Field Lazy Loading ........................................................................................................... 117 Arrays and Objects ................................................................................................ 117 To Array............................................................................................................................ 117 From Array ....................................................................................................................... 118 Synchronize With Array.................................................................................................... 118 Overriding the Constructor ................................................................................... 119 Conclusion ............................................................................................................. 119 DQL (Doctrine Query Language) .................................................................. 120 Introduction ........................................................................................................... 120 SELECT queries..................................................................................................... 122 Aggregate values.............................................................................................................. 126 UPDATE queries .................................................................................................... 127 DELETE Queries .................................................................................................... 128 FROM clause ......................................................................................................... 129 JOIN syntax............................................................................................................ 129 ON keyword...................................................................................................................... 131 WITH keyword.................................................................................................................. 131 INDEXBY keyword................................................................................................. 132 WHERE clause....................................................................................................... 133 Conditional expressions......................................................................................... 134 Literals ............................................................................................................................. 134 Input parameters.............................................................................................................. 136 Operators and operator precedence ................................................................................ 137 In expressions................................................................................................................... 138 Like Expressions............................................................................................................... 139 Exists Expressions............................................................................................................ 140 All and Any Expressions ................................................................................................... 142 Subqueries........................................................................................................................ 142 Functional Expressions.......................................................................................... 144 String functions ................................................................................................................ 144 Arithmetic functions ......................................................................................................... 146 Subqueries............................................................................................................. 146 Introduction...................................................................................................................... 146 Comparisons using subqueries......................................................................................... 146 GROUP BY, HAVING clauses................................................................................. 147 ORDER BY clause .................................................................................................. 149 Introduction...................................................................................................................... 149 Sorting by an aggregate value ......................................................................................... 150 Using random order ......................................................................................................... 150 LIMIT and OFFSET clauses................................................................................... 151 Driver Portability.............................................................................................................. 151 The limit-subquery-algorithm........................................................................................... 152 Named Queries ...................................................................................................... 153 Creating a Named Query.................................................................................................. 154 Accessing Named Query................................................................................................... 154 Executing a Named Query................................................................................................ 155 Cross-Accessing Named Query ........................................................................................ 155 BNF........................................................................................................................ 155 Magic Finders........................................................................................................ 159 Debugging Queries ................................................................................................ 160 Conclusion ............................................................................................................. 161 ----------------- Brought to you by

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    Chapter 29: Technology 369 Doctrine

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    Chapter 30: Exceptions and Warnings

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