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Streams: iterator entry deletion abilities.

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antirez
2018-04-17 17:18:00 +02:00
parent 7980d87c3c
commit 24ac2b4c74
2 changed files with 52 additions and 1 deletions
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2
src/stream.h
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@ -27,6 +27,7 @@ typedef struct stream {
* rewriting code that also needs to iterate the stream to emit the XADD
* commands. */
typedef struct streamIterator {
stream *stream; /* The stream we are iterating. */
streamID master_id; /* ID of the master entry at listpack head. */
uint64_t master_fields_count; /* Master entries # of fields. */
unsigned char *master_fields_start; /* Master entries start in listpack. */
@ -38,6 +39,7 @@ typedef struct streamIterator {
raxIterator ri; /* Rax iterator. */
unsigned char *lp; /* Current listpack. */
unsigned char *lp_ele; /* Current listpack cursor. */
unsigned char *lp_flags; /* Current entry flags pointer. */
/* Buffers used to hold the string of lpGet() when the element is
* integer encoded, so that there is no string representation of the
* element inside the listpack itself. */