[PATCH 4/8] vinyl: explicitly pass column mask to vy_tx_set

Vladimir Davydov vdavydov.dev at gmail.com
Sun Oct 14 21:16:48 MSK 2018


This patch is a preparation for removing vy_stmt_column_mask.
---
 src/box/vinyl.c |  8 +++++---
 src/box/vy_tx.c | 27 +++++++++++++--------------
 src/box/vy_tx.h | 11 ++++++++++-
 3 files changed, 28 insertions(+), 18 deletions(-)

diff --git a/src/box/vinyl.c b/src/box/vinyl.c
index be21d9d9..bd007645 100644
--- a/src/box/vinyl.c
+++ b/src/box/vinyl.c
@@ -1726,7 +1726,7 @@ vy_perform_update(struct vy_env *env, struct vy_tx *tx, struct txn_stmt *stmt,
 
 	vy_stmt_set_flags(stmt->new_tuple, VY_STMT_UPDATE);
 
-	if (vy_tx_set(tx, pk, stmt->new_tuple) != 0)
+	if (vy_tx_set_with_colmask(tx, pk, stmt->new_tuple, column_mask) != 0)
 		return -1;
 	if (space->index_count == 1)
 		return 0;
@@ -1742,9 +1742,11 @@ vy_perform_update(struct vy_env *env, struct vy_tx *tx, struct txn_stmt *stmt,
 		struct vy_lsm *lsm = vy_lsm(space->index[i]);
 		if (vy_is_committed_one(env, lsm))
 			continue;
-		if (vy_tx_set(tx, lsm, delete) != 0)
+		if (vy_tx_set_with_colmask(tx, lsm, delete,
+					   column_mask) != 0)
 			goto error;
-		if (vy_tx_set(tx, lsm, stmt->new_tuple) != 0)
+		if (vy_tx_set_with_colmask(tx, lsm, stmt->new_tuple,
+					   column_mask) != 0)
 			goto error;
 	}
 	tuple_unref(delete);
diff --git a/src/box/vy_tx.c b/src/box/vy_tx.c
index f83f9981..d1027425 100644
--- a/src/box/vy_tx.c
+++ b/src/box/vy_tx.c
@@ -213,7 +213,8 @@ tx_manager_destroy_read_view(struct tx_manager *xm,
 }
 
 static struct txv *
-txv_new(struct vy_tx *tx, struct vy_lsm *lsm, struct tuple *stmt)
+txv_new(struct vy_tx *tx, struct vy_lsm *lsm,
+	struct tuple *stmt, uint64_t column_mask)
 {
 	struct tx_manager *xm = tx->xm;
 	struct txv *v = mempool_alloc(&xm->txv_mempool);
@@ -227,6 +228,7 @@ txv_new(struct vy_tx *tx, struct vy_lsm *lsm, struct tuple *stmt)
 	v->stmt = stmt;
 	tuple_ref(stmt);
 	v->region_stmt = NULL;
+	v->column_mask = column_mask;
 	v->tx = tx;
 	v->is_first_insert = false;
 	v->is_overwritten = false;
@@ -587,7 +589,8 @@ vy_tx_handle_deferred_delete(struct vy_tx *tx, struct txv *v)
 	int rc = 0;
 	for (uint32_t i = 1; i < space->index_count; i++) {
 		struct vy_lsm *lsm = vy_lsm(space->index[i]);
-		struct txv *delete_txv = txv_new(tx, lsm, delete_stmt);
+		struct txv *delete_txv = txv_new(tx, lsm, delete_stmt,
+						 UINT64_MAX);
 		if (delete_txv == NULL) {
 			rc = -1;
 			break;
@@ -655,7 +658,7 @@ vy_tx_prepare(struct vy_tx *tx)
 		/* Skip statements which don't change this secondary key. */
 		if (lsm->index_id > 0 &&
 		    key_update_can_be_skipped(lsm->key_def->column_mask,
-					      vy_stmt_column_mask(v->stmt)))
+					      v->column_mask))
 			continue;
 
 		if (lsm->index_id > 0 && repsert == NULL && delete == NULL) {
@@ -955,7 +958,8 @@ vy_tx_track_point(struct vy_tx *tx, struct vy_lsm *lsm, struct tuple *stmt)
 }
 
 int
-vy_tx_set(struct vy_tx *tx, struct vy_lsm *lsm, struct tuple *stmt)
+vy_tx_set_with_colmask(struct vy_tx *tx, struct vy_lsm *lsm,
+		       struct tuple *stmt, uint64_t column_mask)
 {
 	assert(vy_stmt_type(stmt) != 0);
 	/**
@@ -987,7 +991,7 @@ vy_tx_set(struct vy_tx *tx, struct vy_lsm *lsm, struct tuple *stmt)
 	}
 
 	/* Allocate a MVCC container. */
-	struct txv *v = txv_new(tx, lsm, stmt);
+	struct txv *v = txv_new(tx, lsm, stmt, column_mask);
 	if (applied != NULL)
 		tuple_unref(applied);
 	if (v == NULL)
@@ -1005,15 +1009,12 @@ vy_tx_set(struct vy_tx *tx, struct vy_lsm *lsm, struct tuple *stmt)
 	if (old == NULL && vy_stmt_type(stmt) == IPROTO_INSERT)
 		v->is_first_insert = true;
 
-	if (old != NULL && vy_stmt_type(stmt) != IPROTO_UPSERT) {
+	if (old != NULL) {
 		/*
 		 * Inherit the column mask of the overwritten statement
 		 * so as not to skip both statements on commit.
 		 */
-		uint64_t column_mask = vy_stmt_column_mask(stmt);
-		if (column_mask != UINT64_MAX)
-			vy_stmt_set_column_mask(stmt, column_mask |
-						vy_stmt_column_mask(old->stmt));
+		v->column_mask |= old->column_mask;
 	}
 
 	if (lsm->index_id > 0 && vy_stmt_type(stmt) == IPROTO_REPLACE &&
@@ -1038,10 +1039,8 @@ vy_tx_set(struct vy_tx *tx, struct vy_lsm *lsm, struct tuple *stmt)
 		 * key bits in the column mask to ensure that no REPLACE
 		 * statement will be written for this secondary key.
 		 */
-		uint64_t column_mask = vy_stmt_column_mask(stmt);
-		if (column_mask != UINT64_MAX)
-			vy_stmt_set_column_mask(stmt, column_mask &
-						~lsm->cmp_def->column_mask);
+		if (v->column_mask != UINT64_MAX)
+			v->column_mask &= ~lsm->cmp_def->column_mask;
 	}
 
 	v->overwritten = old;
diff --git a/src/box/vy_tx.h b/src/box/vy_tx.h
index b201abd7..87066091 100644
--- a/src/box/vy_tx.h
+++ b/src/box/vy_tx.h
@@ -85,6 +85,8 @@ struct txv {
 	struct tuple *stmt;
 	/** Statement allocated on vy_mem->allocator. */
 	const struct tuple *region_stmt;
+	/** Mask of columns modified by this operation. */
+	uint64_t column_mask;
 	/** Next in the transaction log. */
 	struct stailq_entry next_in_log;
 	/** Member the transaction write set. */
@@ -371,7 +373,14 @@ vy_tx_track_point(struct vy_tx *tx, struct vy_lsm *lsm, struct tuple *stmt);
 
 /** Add a statement to a transaction. */
 int
-vy_tx_set(struct vy_tx *tx, struct vy_lsm *lsm, struct tuple *stmt);
+vy_tx_set_with_colmask(struct vy_tx *tx, struct vy_lsm *lsm,
+		       struct tuple *stmt, uint64_t column_mask);
+
+static inline int
+vy_tx_set(struct vy_tx *tx, struct vy_lsm *lsm, struct tuple *stmt)
+{
+	return vy_tx_set_with_colmask(tx, lsm, stmt, UINT64_MAX);
+}
 
 /**
  * Iterator over the write set of a transaction.
-- 
2.11.0




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