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mdbx: minor refactoring cursor_put().

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Change-Id: Iacdc02f70278382bf0e7fb496bb57f4010403dd0
This commit is contained in:
Leonid Yuriev 2021-04-27 22:04:14 +03:00
parent 7cbd500534
commit 760cf515a7
1 changed files with 25 additions and 26 deletions
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51
src/core.c
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@ -14185,7 +14185,7 @@ int mdbx_cursor_put(MDBX_cursor *mc, const MDBX_val *key, MDBX_val *data,
MDBX_page *sub_root = NULL; MDBX_page *sub_root = NULL;
MDBX_val xdata, *rdata, dkey, olddata; MDBX_val xdata, *rdata, dkey, olddata;
MDBX_db nested_dupdb; MDBX_db nested_dupdb;
int rc2; int err;
DKBUF_DEBUG; DKBUF_DEBUG;
if (unlikely(mc == NULL || key == NULL || data == NULL)) if (unlikely(mc == NULL || key == NULL || data == NULL))
@ -14440,23 +14440,22 @@ int mdbx_cursor_put(MDBX_cursor *mc, const MDBX_val *key, MDBX_val *data,
/* Cursor is positioned, check for room in the dirty list */ /* Cursor is positioned, check for room in the dirty list */
if (!nospill) { if (!nospill) {
rdata = data;
if (unlikely(flags & MDBX_MULTIPLE)) { if (unlikely(flags & MDBX_MULTIPLE)) {
rdata = &xdata; rdata = &xdata;
xdata.iov_len = data->iov_len * dcount; xdata.iov_len = data->iov_len * dcount;
} else {
rdata = data;
} }
if (unlikely(rc2 = mdbx_cursor_spill(mc, key, rdata))) if (unlikely(err = mdbx_cursor_spill(mc, key, rdata)))
return rc2; return err;
} }
if (unlikely(rc == MDBX_NO_ROOT)) { if (unlikely(rc == MDBX_NO_ROOT)) {
/* new database, write a root leaf page */ /* new database, write a root leaf page */
mdbx_debug("%s", "allocating new root leaf page"); mdbx_debug("%s", "allocating new root leaf page");
if (unlikely((*mc->mc_dbistate & DBI_DIRTY) == 0)) { if (unlikely((*mc->mc_dbistate & DBI_DIRTY) == 0)) {
rc2 = mdbx_touch_dbi(mc); err = mdbx_touch_dbi(mc);
if (unlikely(rc2 != MDBX_SUCCESS)) if (unlikely(err != MDBX_SUCCESS))
return rc2; return err;
} }
struct page_result npr = mdbx_page_new(mc, P_LEAF, 1); struct page_result npr = mdbx_page_new(mc, P_LEAF, 1);
if (unlikely(npr.err != MDBX_SUCCESS)) if (unlikely(npr.err != MDBX_SUCCESS))
@ -14486,9 +14485,9 @@ int mdbx_cursor_put(MDBX_cursor *mc, const MDBX_val *key, MDBX_val *data,
mc->mc_flags |= C_INITIALIZED; mc->mc_flags |= C_INITIALIZED;
} else { } else {
/* make sure all cursor pages are writable */ /* make sure all cursor pages are writable */
rc2 = mdbx_cursor_touch(mc); err = mdbx_cursor_touch(mc);
if (unlikely(rc2)) if (unlikely(err))
return rc2; return err;
} }
bool insert_key, insert_data, do_sub = false; bool insert_key, insert_data, do_sub = false;
@ -14529,13 +14528,13 @@ int mdbx_cursor_put(MDBX_cursor *mc, const MDBX_val *key, MDBX_val *data,
mc->mc_top--; mc->mc_top--;
dtop++; dtop++;
} }
rc2 = MDBX_SUCCESS; err = MDBX_SUCCESS;
if (mc->mc_ki[mc->mc_top]) if (mc->mc_ki[mc->mc_top])
rc2 = mdbx_update_key(mc, key); err = mdbx_update_key(mc, key);
mdbx_cassert(mc, mc->mc_top + dtop < UINT16_MAX); mdbx_cassert(mc, mc->mc_top + dtop < UINT16_MAX);
mc->mc_top += (uint16_t)dtop; mc->mc_top += (uint16_t)dtop;
if (unlikely(rc2 != MDBX_SUCCESS)) if (unlikely(err != MDBX_SUCCESS))
return rc2; return err;
} }
if (mdbx_audit_enabled()) { if (mdbx_audit_enabled()) {
@ -14594,9 +14593,9 @@ int mdbx_cursor_put(MDBX_cursor *mc, const MDBX_val *key, MDBX_val *data,
return MDBX_ENOMEM; return MDBX_ENOMEM;
memcpy(np, pgr.page, PAGEHDRSZ); /* Copy header of page */ memcpy(np, pgr.page, PAGEHDRSZ); /* Copy header of page */
rc2 = mdbx_page_dirty(mc->mc_txn, pgr.page = np, ovpages); err = mdbx_page_dirty(mc->mc_txn, pgr.page = np, ovpages);
if (unlikely(rc2 != MDBX_SUCCESS)) if (unlikely(err != MDBX_SUCCESS))
return rc2; return err;
#if MDBX_ENABLE_PGOP_STAT #if MDBX_ENABLE_PGOP_STAT
safe64_inc(&mc->mc_txn->mt_env->me_pgop_stat->clone, ovpages); safe64_inc(&mc->mc_txn->mt_env->me_pgop_stat->clone, ovpages);
@ -14618,8 +14617,8 @@ int mdbx_cursor_put(MDBX_cursor *mc, const MDBX_val *key, MDBX_val *data,
return MDBX_SUCCESS; return MDBX_SUCCESS;
} }
if ((rc2 = mdbx_page_retire(mc, pgr.page)) != MDBX_SUCCESS) if ((err = mdbx_page_retire(mc, pgr.page)) != MDBX_SUCCESS)
return rc2; return err;
} else { } else {
olddata.iov_len = node_ds(node); olddata.iov_len = node_ds(node);
olddata.iov_base = node_data(node); olddata.iov_base = node_data(node);
@ -14882,9 +14881,9 @@ new_sub:;
SHIFT_MDBX_NODUPDATA_TO_MDBX_NOOVERWRITE); SHIFT_MDBX_NODUPDATA_TO_MDBX_NOOVERWRITE);
if ((flags & MDBX_CURRENT) == 0) { if ((flags & MDBX_CURRENT) == 0) {
xflags -= MDBX_CURRENT; xflags -= MDBX_CURRENT;
rc2 = mdbx_xcursor_init1(mc, node, mc->mc_pg[mc->mc_top]); err = mdbx_xcursor_init1(mc, node, mc->mc_pg[mc->mc_top]);
if (unlikely(rc2 != MDBX_SUCCESS)) if (unlikely(err != MDBX_SUCCESS))
return rc2; return err;
} }
if (sub_root) if (sub_root)
mc->mc_xcursor->mx_cursor.mc_pg[0] = sub_root; mc->mc_xcursor->mx_cursor.mc_pg[0] = sub_root;
@ -14911,9 +14910,9 @@ new_sub:;
continue; continue;
if (m2->mc_pg[i] == mp) { if (m2->mc_pg[i] == mp) {
if (m2->mc_ki[i] == mc->mc_ki[i]) { if (m2->mc_ki[i] == mc->mc_ki[i]) {
rc2 = mdbx_xcursor_init2(m2, mx, dupdata_flag); err = mdbx_xcursor_init2(m2, mx, dupdata_flag);
if (unlikely(rc2 != MDBX_SUCCESS)) if (unlikely(err != MDBX_SUCCESS))
return rc2; return err;
} else if (!insert_key && m2->mc_ki[i] < nkeys) { } else if (!insert_key && m2->mc_ki[i] < nkeys) {
XCURSOR_REFRESH(m2, mp, m2->mc_ki[i]); XCURSOR_REFRESH(m2, mp, m2->mc_ki[i]);
} }