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## SQLite C Interface

## Run-Time Limit Categories

>     #define SQLITE_LIMIT_LENGTH                    0
>     #define SQLITE_LIMIT_SQL_LENGTH                1
>     #define SQLITE_LIMIT_COLUMN                    2
>     #define SQLITE_LIMIT_EXPR_DEPTH                3
>     #define SQLITE_LIMIT_COMPOUND_SELECT           4
>     #define SQLITE_LIMIT_VDBE_OP                   5
>     #define SQLITE_LIMIT_FUNCTION_ARG              6
>     #define SQLITE_LIMIT_ATTACHED                  7
>     #define SQLITE_LIMIT_LIKE_PATTERN_LENGTH       8
>     #define SQLITE_LIMIT_VARIABLE_NUMBER           9
>     #define SQLITE_LIMIT_TRIGGER_DEPTH            10

These constants define various performance limits that can be lowered at run-time using sqlite3_limit(). The synopsis of the meanings of the various limits is shown below. Additional information is available at Limits in SQLite.

SQLITE_LIMIT_LENGTH
  The maximum size of any string or BLOB or table row, in bytes.

SQLITE_LIMIT_SQL_LENGTH
  The maximum length of an SQL statement, in bytes.

SQLITE_LIMIT_COLUMN
  The maximum number of columns in a table definition or in the result set of a SELECT or the maximum number of columns in an index or in an ORDER BY or GROUP BY clause.

SQLITE_LIMIT_EXPR_DEPTH
  The maximum depth of the parse tree on any expression.

SQLITE_LIMIT_COMPOUND_SELECT
  The maximum number of terms in a compound SELECT statement.

SQLITE_LIMIT_VDBE_OP
  The maximum number of instructions in a virtual machine program used to implement an SQL statement. This limit is not currently enforced, though that might be added in some future release of SQLite.

SQLITE_LIMIT_FUNCTION_ARG
  The maximum number of arguments on a function.

SQLITE_LIMIT_ATTACHED
  The maximum number of attached databases.

SQLITE_LIMIT_LIKE_PATTERN_LENGTH
  The maximum length of the pattern argument to the LIKE or GLOB operators.

SQLITE_LIMIT_VARIABLE_NUMBER
  The maximum index number of any parameter in an SQL statement.

SQLITE_LIMIT_TRIGGER_DEPTH
  The maximum depth of recursion for triggers.

See also lists of Objects, Constants, and Functions.