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#define HA_PACK_KEY 2 /* Pack string key to previous key */
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#define HA_BINARY_PACK_KEY 32 /* Packing of all keys to prev key */
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#define HA_UNIQUE_CHECK 256 /* Check the key for uniqueness */
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#define HA_NULL_ARE_EQUAL 2048 /* NULL in key are cmp as equal */
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#define HA_GENERATED_KEY 8192 /* Automaticly generated key */
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/* The combination of the above can be used for key type comparison. */
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#define HA_KEYFLAG_MASK (HA_NOSAME | HA_PACK_KEY | HA_AUTO_KEY | \
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#define HA_KEY_HAS_PART_KEY_SEG 65536 /* Key contains partial segments */