Better comments

024a7b4d · unknown · c02b3c1a · 024a7b4d
Commit 024a7b4d authored Nov 06, 2007 by unknown
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Showing with 7 additions and 2 deletions

sql/opt_range.h sql/opt_range.h +7 -2

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--- a/sql/opt_range.h
+++ b/sql/opt_range.h
@@ -24,9 +24,14 @@
 #endif

 typedef struct st_key_part {
-  uint16           key,part, store_length, length;
+  uint16           key,part;
+  /* See KEY_PART_INFO for meaning of the next two: */
+  uint16           store_length, length;
  uint8            null_bit;
-  /* Keypart flags (0 if partition pruning is used) */
+  /*
+    Keypart flags (0 when this structure is used by partition pruning code
+    for fake partitioning index description)
+  */
  uint8 flag;
  Field            *field;
  Field::imagetype image_type;