1DBSchema::Index(3) User Contributed Perl Documentation DBSchema::Index(3)
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6 DBIx::DBSchema::Index - Index objects
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9 use DBIx::DBSchema::Index;
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11 $index = new DBIx::DBSchema::Index (
12 {
13 }
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17 DBIx::DBSchema::Index objects represent a unique or non-unique database
18 index.
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21 new HASHREF | OPTION, VALUE, ...
22 Creates a new DBIx::DBschema::Index object.
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24 Accepts either a hashref or a list of options and values.
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26 Options are:
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28 name - Index name
29 using - Optional index method
30 unique - Boolean indicating whether or not this is a unique index.
31 columns - List reference of column names (or expressions)
32 name [ INDEX_NAME ]
33 Returns or sets the index name.
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35 using [ INDEX_METHOD ]
36 Returns or sets the optional index method.
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38 unique [ BOOL ]
39 Returns or sets the unique flag.
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41 columns [ LISTREF ]
42 Returns or sets the indexed columns (or expressions).
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44 columns_sql
45 Returns a comma-joined list of columns, suitable for an SQL
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48 sql_create_index TABLENAME
49 Returns an SQL statment to create this index on the specified
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52 cmp OTHER_INDEX_OBJECT
53 Compares this object to another supplied object. Returns true if
54 they are identical, or false otherwise.
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56 cmp_noname OTHER_INDEX_OBJECT
57 Compares this object to another supplied object. Returns true if
58 they are identical, disregarding index name, or false otherwise.
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61 Ivan Kohler <ivan-dbix-dbschema@420.am>
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63 Copyright (c) 2007 Ivan Kohler Copyright (c) 2007 Freeside Internet
64 Services, Inc. All rights reserved. This program is free software;
65 you can redistribute it and/or modify it under the same terms as Perl
66 itself.
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69 Is there any situation in which sql_create_index needs to return a list
70 of multiple statements?
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73 DBIx::DBSchema::Table, DBIx::DBSchema, DBI
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77perl v5.36.0 2022-09-09 DBSchema::Index(3)