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* Description: See "tuple.c"
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* Important NOTE: The TupleField structure is used both to hold backend data and
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* manual result set data. The "set_" functions and the TupleNode
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* structure are only used for manual result sets by info routines.
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* Comments: See "notice.txt" for copyright and license information.
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/* Used by backend data AND manual result sets */
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Int4 len; /* length of the current Tuple */
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void *value; /* an array representing the value */
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/* Used ONLY for manual result sets */
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struct TupleNode_ *prev,
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/* keyset(TID + OID) info */
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/* Rollback(index + original TID) info */
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#define KEYSET_INFO_PUBLIC 0x07
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#define CURS_SELF_ADDING (1L << 3)
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#define CURS_SELF_DELETING (1L << 4)
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#define CURS_SELF_UPDATING (1L << 5)
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#define CURS_SELF_ADDED (1L << 6)
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#define CURS_SELF_DELETED (1L << 7)
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#define CURS_SELF_UPDATED (1L << 8)
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#define CURS_NEEDS_REREAD (1L << 9)
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#define CURS_IN_ROWSET (1L << 10)
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#define CURS_OTHER_DELETED (1L << 11)
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/* These macros are wrappers for the corresponding set_tuplefield functions
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but these handle automatic NULL determination and call set_tuplefield_null()
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if appropriate for the datatype (used by SQLGetTypeInfo).
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#define set_nullfield_string(FLD, VAL) ((VAL) ? set_tuplefield_string(FLD, (VAL)) : set_tuplefield_null(FLD))
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#define set_nullfield_int2(FLD, VAL) ((VAL) != -1 ? set_tuplefield_int2(FLD, (VAL)) : set_tuplefield_null(FLD))
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#define set_nullfield_int4(FLD, VAL) ((VAL) != -1 ? set_tuplefield_int4(FLD, (VAL)) : set_tuplefield_null(FLD))
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void set_tuplefield_null(TupleField *tuple_field);
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void set_tuplefield_string(TupleField *tuple_field, const char *string);
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void set_tuplefield_int2(TupleField *tuple_field, Int2 value);
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void set_tuplefield_int4(TupleField *tuple_field, Int4 value);