Documents, Fields, and Schema Design ____________________________________________ 65
Overview of Documents, Fields, and Schema Design _________________________________ 65
How Solr Sees the World ____________________________________________________ 66
Field Analysis _____________________________________________________________ 66
Solr Field Types ______________________________________________________________ 67
Field Type Definitions in schema.xml ___________________________________________ 68
Field Types Included with Solr ________________________________________________ 69
Working with Dates ________________________________________________________ 70
Working with External Files __________________________________________________ 71
Field Type Properties _______________________________________________________ 72
Field Properties by Use Case _________________________________________________ 73
Defining Fields _______________________________________________________________ 74
Copying Fields _______________________________________________________________ 75
Dynamic Fields ______________________________________________________________ 76
Other Schema Elements _______________________________________________________ 77
Unique Key _______________________________________________________________ 78
Default Search Field ________________________________________________________ 78
Query Parser Operator ______________________________________________________ 78
Putting the Pieces Together _____________________________________________________ 78
Choosing Appropriate Numeric Types __________________________________________ 79
Working With Text _________________________________________________________ 79
Understanding Analyzers, Tokenizers, and Filters _____________________________________ 81
Overview of Analyzers, Tokenizers, and Filters ______________________________________ 81
What Is An Analyzer? _________________________________________________________ 82
Analysis Phases ___________________________________________________________ 84
What Is A Tokenizer? _________________________________________________________ 85
What Is a Filter? _____________________________________________________________ 86
Tokenizers __________________________________________________________________ 88
Standard Tokenizer ________________________________________________________ 90
Classic Tokenizer __________________________________________________________ 91
Keyword Tokenizer _________________________________________________________ 91
Letter Tokenizer ___________________________________________________________ 92
Lower Case Tokenizer ______________________________________________________ 92
N-Gram Tokenizer _________________________________________________________ 93
Edge N-Gram Tokenizer _____________________________________________________ 93
ICU Tokenizer _____________________________________________________________ 94
Path Hierarchy Tokenizer ____________________________________________________ 95
Regular Expression Pattern Tokenizer __________________________________________ 95
UAX29 URL Email Tokenizer __________________________________________________ 97
White Space Tokenizer ______________________________________________________ 98
