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<a href="intro.html"><h2>SQLite C Interface</h2></a><h2>Virtual Table Constraint Operator Codes</h2><blockquote><pre>#define SQLITE_INDEX_CONSTRAINT_EQ 2
#define SQLITE_INDEX_CONSTRAINT_GT 4
#define SQLITE_INDEX_CONSTRAINT_LE 8
#define SQLITE_INDEX_CONSTRAINT_LT 16
#define SQLITE_INDEX_CONSTRAINT_GE 32
#define SQLITE_INDEX_CONSTRAINT_MATCH 64
</pre></blockquote><p>
These macros defined the allowed values for the
<a href="../c3ref/index_info.html">sqlite3_index_info</a>.aConstraint[].op field. Each value represents
an operator that is part of a constraint term in the wHERE clause of
a query that uses a <a href="../vtab.html">virtual table</a>.
</p><p>See also lists of
<a href="objlist.html">Objects</a>,
<a href="constlist.html">Constants</a>, and
<a href="funclist.html">Functions</a>.</p>
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