diff options
Diffstat (limited to 'src/cursor/cur_metadata.c')
| -rw-r--r-- | src/cursor/cur_metadata.c | 58 |
1 files changed, 54 insertions, 4 deletions
diff --git a/src/cursor/cur_metadata.c b/src/cursor/cur_metadata.c index df2cc3f546e..3d702e2ea8c 100644 --- a/src/cursor/cur_metadata.c +++ b/src/cursor/cur_metadata.c @@ -31,6 +31,58 @@ } while (0) /* + * __wt_schema_create_final -- + * Create a single configuration line from a set of configuration strings, + * including all of the defaults declared for a session.create, and stripping + * any configuration strings that don't belong in a session.create. Here for + * the wt dump command utility, which reads a set of configuration strings and + * needs to add in the defaults and then collapse them into single string for + * a subsequent load. + */ +int +__wt_schema_create_final( + WT_SESSION_IMPL *session, char *cfg_arg[], char **value_ret) +{ + WT_DECL_RET; + u_int i; + const char **cfg; + + /* + * Count the entries in the original, + * Allocate a copy with the defaults as the first entry, + * Collapse the whole thing into a single configuration string (which + * also strips any entries that don't appear in the first entry). + */ + for (i = 0; cfg_arg[i] != NULL; ++i) + ; + WT_RET(__wt_calloc_def(session, i + 2, &cfg)); + cfg[0] = WT_CONFIG_BASE(session, WT_SESSION_create); + for (i = 0; cfg_arg[i] != NULL; ++i) + cfg[i + 1] = cfg_arg[i]; + cfg[i + 1] = NULL; + + ret = __wt_config_collapse(session, cfg, value_ret); + + __wt_free(session, cfg); + return (ret); +} + +/* + * __schema_create_strip -- + * Discard any configuration information from a schema entry that is not + * applicable to an session.create call. Here for the metadata:create URI. + */ +static int +__schema_create_strip( + WT_SESSION_IMPL *session, const char *value, char **value_ret) +{ + const char *cfg[] = + { WT_CONFIG_BASE(session, WT_SESSION_create), value, NULL }; + + return (__wt_config_collapse(session, cfg, value_ret)); +} + +/* * __curmetadata_setkv -- * Copy key/value into the public cursor, stripping internal metadata for * "create-only" cursors. @@ -49,8 +101,7 @@ __curmetadata_setkv(WT_CURSOR_METADATA *mdc, WT_CURSOR *fc) c->key.data = fc->key.data; c->key.size = fc->key.size; if (F_ISSET(mdc, WT_MDC_CREATEONLY)) { - WT_RET(__wt_schema_create_strip( - session, fc->value.data, NULL, &value)); + WT_RET(__schema_create_strip(session, fc->value.data, &value)); ret = __wt_buf_set( session, &c->value, value, strlen(value) + 1); __wt_free(session, value); @@ -92,8 +143,7 @@ __curmetadata_metadata_search(WT_SESSION_IMPL *session, WT_CURSOR *cursor) WT_RET(__wt_metadata_search(session, WT_METAFILE_URI, &value)); if (F_ISSET(mdc, WT_MDC_CREATEONLY)) { - ret = __wt_schema_create_strip( - session, value, NULL, &stripped); + ret = __schema_create_strip(session, value, &stripped); __wt_free(session, value); WT_RET(ret); value = stripped; |