/*
* dump_record --
* Dump a single record, advance cursor to next/prev, along
* with JSON formatting if needed.
*/
static int
dump_record(WT_CURSOR *cursor, const char *name, int reverse, int json)
{
WT_DECL_RET;
const char *infix, *key, *prefix, *suffix, *value;
int once;
once = 0;
if (json) {
prefix = "\n{\n";
infix = ",\n";
suffix = "\n}";
} else {
prefix = "";
infix = "\n";
suffix = "\n";
}
while ((ret =
(reverse ? cursor->prev(cursor) : cursor->next(cursor))) == 0) {
if ((ret = cursor->get_key(cursor, &key)) != 0)
return (util_cerr(name, "get_key", ret));
if ((ret = cursor->get_value(cursor, &value)) != 0)
return (util_cerr(name, "get_value", ret));
if (printf("%s%s%s%s%s%s", (json && once) ? "," : "",
prefix, key, infix, value, suffix) < 0)
return (util_err(EIO, NULL));
once = 1;
}
if (json && once && printf("\n") < 0)
return (util_err(EIO, NULL));
return (ret == WT_NOTFOUND ? 0 :
util_cerr(name, (reverse ? "prev" : "next"), ret));
}
/*
* dump_table_config --
* Dump the config for a table.
*/
static int
dump_table_config(WT_SESSION *session, WT_CURSOR *cursor, const char *uri)
{
WT_CURSOR *srch;
WT_DECL_RET;
int tret;
const char *key, *name, *value;
/* Get the table name. */
if ((name = strchr(uri, ':')) == NULL) {
fprintf(stderr, "%s: %s: corrupted uri\n", progname, uri);
return (1);
}
++name;
/*
* Dump out the config information: first, dump the uri entry itself
* (requires a lookup).
*/
cursor->set_key(cursor, uri);
if ((ret = cursor->search(cursor)) != 0)
return (util_cerr(cursor, "search", ret));
if ((ret = cursor->get_key(cursor, &key)) != 0)
return (util_cerr(cursor, "get_key", ret));
if ((ret = cursor->get_value(cursor, &value)) != 0)
return (util_cerr(cursor, "get_value", ret));
if (print_config(session, key, value, NULL) != 0)
return (1);
/*
* The underlying table configuration function needs a second cursor:
* open one before calling it, it makes error handling hugely simpler.
*/
if ((ret =
session->open_cursor(session, NULL, cursor, NULL, &srch)) != 0)
return (util_cerr(cursor, "open_cursor", ret));
if ((ret = dump_table_config_type(
session, cursor, srch, name, "colgroup:")) == 0)
ret = dump_table_config_type(
session, cursor, srch, name, "index:");
if ((tret = srch->close(srch)) != 0) {
tret = util_cerr(cursor, "close", tret);
if (ret == 0)
ret = tret;
}
return (ret);
}
static inline int
dump_reverse(WT_CURSOR *cursor, const char *name)
{
WT_DECL_RET;
const char *key, *value;
while ((ret = cursor->prev(cursor)) == 0) {
if ((ret = cursor->get_key(cursor, &key)) != 0)
return (util_cerr(name, "get_key", ret));
if ((ret = cursor->get_value(cursor, &value)) != 0)
return (util_cerr(name, "get_value", ret));
if (printf("%s\n%s\n", key, value) < 0)
return (util_err(EIO, NULL));
}
return (ret == WT_NOTFOUND ? 0 : util_cerr(name, "prev", ret));
}
/*
* dump_json_table_config --
* Dump the config for the uri.
*/
static int
dump_json_table_config(WT_SESSION *session, const char *uri)
{
WT_CURSOR *cursor;
WT_DECL_RET;
int tret;
char *value;
/* Dump the config. */
/* Open a metadata cursor. */
if ((ret = session->open_cursor(
session, "metadata:create", NULL, NULL, &cursor)) != 0) {
fprintf(stderr, "%s: %s: session.open_cursor: %s\n",
progname, "metadata:create",
session->strerror(session, ret));
return (1);
}
/*
* Search for the object itself, to make sure it
* exists, and get its config string. This where we
* find out a table object doesn't exist, use a simple
* error message.
*/
cursor->set_key(cursor, uri);
if ((ret = cursor->search(cursor)) == 0) {
if ((ret = cursor->get_value(cursor, &value)) != 0)
ret = util_cerr(cursor, "get_value", ret);
else if (dump_json_table_begin(
session, cursor, uri, value) != 0)
ret = 1;
} else if (ret == WT_NOTFOUND)
ret = util_err(
session, 0, "%s: No such object exists", uri);
else
ret = util_err(session, ret, "%s", uri);
if ((tret = cursor->close(cursor)) != 0) {
tret = util_cerr(cursor, "close", tret);
if (ret == 0)
ret = tret;
}
return (ret);
}
/*
* dump_record --
* Dump a single record, advance cursor to next/prev, along
* with JSON formatting if needed.
*/
static int
dump_record(WT_CURSOR *cursor, bool reverse, bool json)
{
WT_DECL_RET;
WT_SESSION *session;
const char *infix, *key, *prefix, *suffix, *value;
bool once;
session = cursor->session;
once = false;
if (json) {
prefix = "\n{\n";
infix = ",\n";
suffix = "\n}";
} else {
prefix = "";
infix = "\n";
suffix = "\n";
}
while ((ret =
(reverse ? cursor->prev(cursor) : cursor->next(cursor))) == 0) {
if ((ret = cursor->get_key(cursor, &key)) != 0)
return (util_cerr(cursor, "get_key", ret));
if ((ret = cursor->get_value(cursor, &value)) != 0)
return (util_cerr(cursor, "get_value", ret));
if (printf("%s%s%s%s%s%s", json && once ? "," : "",
prefix, key, infix, value, suffix) < 0)
return (util_err(session, EIO, NULL));
once = true;
}
if (json && once && printf("\n") < 0)
return (util_err(session, EIO, NULL));
return (ret == WT_NOTFOUND ? 0 :
util_cerr(cursor, (reverse ? "prev" : "next"), ret));
}
/*
* dump_json_table_begin --
* Output the JSON syntax that starts a table, along with its config.
*/
static int
dump_json_table_begin(
WT_SESSION *session, WT_CURSOR *cursor, const char *uri, const char *config)
{
WT_DECL_RET;
const char *name;
char *jsonconfig, *stripped;
jsonconfig = NULL;
/* Get the table name. */
if ((name = strchr(uri, ':')) == NULL) {
fprintf(stderr, "%s: %s: corrupted uri\n", progname, uri);
return (1);
}
++name;
if ((ret =
__wt_session_create_strip(session, config, NULL, &stripped)) != 0)
return (util_err(ret, NULL));
ret = dup_json_string(stripped, &jsonconfig);
free(stripped);
if (ret != 0)
return (util_cerr(uri, "config dup", ret));
if (printf(" \"%s\" : [\n {\n", uri) < 0)
goto eio;
if (printf(" \"config\" : \"%s\",\n", jsonconfig) < 0)
goto eio;
if ((ret = dump_json_table_cg(
session, cursor, uri, name, "colgroup:", "colgroups")) == 0) {
if (printf(",\n") < 0)
goto eio;
ret = dump_json_table_cg(
session, cursor, uri, name, "index:", "indices");
}
if (printf("\n },\n {\n \"data\" : [") < 0)
goto eio;
if (0) {
eio: ret = util_err(EIO, NULL);
}
free(jsonconfig);
return (ret);
}
/*
* dump_config --
* Dump the config for the uri.
*/
static int
dump_config(WT_SESSION *session, const char *uri, WT_CURSOR *cursor, bool hex,
bool json)
{
WT_CURSOR *mcursor;
WT_DECL_RET;
int tret;
/* Open a metadata cursor. */
if ((ret = session->open_cursor(
session, "metadata:create", NULL, NULL, &mcursor)) != 0) {
fprintf(stderr, "%s: %s: session.open_cursor: %s\n", progname,
"metadata:create", session->strerror(session, ret));
return (1);
}
/*
* Search for the object itself, just to make sure it exists, we don't
* want to output a header if the user entered the wrong name. This is
* where we find out a table doesn't exist, use a simple error message.
*/
mcursor->set_key(mcursor, uri);
if ((ret = mcursor->search(mcursor)) == 0) {
if ((!json && dump_prefix(session, hex, json) != 0) ||
dump_table_config(session, mcursor, cursor,
uri, json) != 0 ||
dump_suffix(session, json) != 0)
ret = 1;
} else if (ret == WT_NOTFOUND)
ret = util_err(session, 0, "%s: No such object exists", uri);
else
ret = util_err(session, ret, "%s", uri);
if ((tret = mcursor->close(mcursor)) != 0) {
tret = util_cerr(mcursor, "close", tret);
if (ret == 0)
ret = tret;
}
return (ret);
}
/*
* dump_config --
* Dump the config for the uri.
*/
static int
dump_config(WT_SESSION *session, const char *uri, int hex)
{
WT_CURSOR *cursor;
WT_DECL_RET;
int tret;
/* Open a metadata cursor. */
if ((ret = session->open_cursor(
session, WT_METADATA_URI, NULL, NULL, &cursor)) != 0) {
fprintf(stderr, "%s: %s: session.open_cursor: %s\n",
progname, WT_METADATA_URI, wiredtiger_strerror(ret));
return (1);
}
/*
* Search for the object itself, just to make sure it exists, we don't
* want to output a header if the user entered the wrong name. This is
* where we find out a table doesn't exist, use a simple error message.
*/
cursor->set_key(cursor, uri);
if ((ret = cursor->search(cursor)) == 0) {
if (dump_prefix(hex) != 0 ||
dump_table_config(session, cursor, uri) != 0 ||
dump_suffix() != 0)
ret = 1;
} else if (ret == WT_NOTFOUND)
ret = util_err(0, "%s: No such object exists", uri);
else
ret = util_err(ret, "%s", uri);
if ((tret = cursor->close(cursor)) != 0) {
tret = util_cerr(uri, "close", tret);
if (ret == 0)
ret = tret;
}
return (ret);
}
int
util_write(WT_SESSION *session, int argc, char *argv[])
{
WT_CURSOR *cursor;
uint64_t recno;
int append, ch, overwrite, rkey, ret;
const char *uri;
char config[100];
append = overwrite = ret = 0;
while ((ch = util_getopt(argc, argv, "ao")) != EOF)
switch (ch) {
case 'a':
append = 1;
break;
case 'o':
overwrite = 1;
break;
case '?':
default:
return (usage());
}
argc -= util_optind;
argv += util_optind;
/*
* The remaining arguments are a uri followed by a list of values (if
* append is set), or key/value pairs (if append is not set).
*/
if (append) {
if (argc < 2)
return (usage());
} else
if (argc < 3 || ((argc - 1) % 2 != 0))
return (usage());
if ((uri =
util_name(*argv, "table", UTIL_FILE_OK | UTIL_TABLE_OK)) == NULL)
return (1);
/* Open the object. */
(void)snprintf(config, sizeof(config), "%s,%s",
append ? "append=true" : "", overwrite ? "overwrite=true" : "");
if ((ret = session->open_cursor(
session, uri, NULL, config, &cursor)) != 0)
return (util_err(ret, "%s: session.open", uri));
/*
* A simple search only makes sense if the key format is a string or a
* record number, and the value format is a single string.
*/
if (strcmp(cursor->key_format, "r") != 0 &&
strcmp(cursor->key_format, "S") != 0) {
fprintf(stderr,
"%s: write command only possible when the key format is "
"a record number or string\n",
progname);
return (1);
}
rkey = strcmp(cursor->key_format, "r") == 0 ? 1 : 0;
if (strcmp(cursor->value_format, "S") != 0) {
fprintf(stderr,
"%s: write command only possible when the value format is "
"a string\n",
progname);
return (1);
}
/* Run through the values or key/value pairs. */
while (*++argv != NULL) {
if (!append) {
if (rkey) {
if (util_str2recno(*argv, &recno))
return (1);
cursor->set_key(cursor, recno);
} else
cursor->set_key(cursor, *argv);
++argv;
}
cursor->set_value(cursor, *argv);
if ((ret = cursor->insert(cursor)) != 0)
return (util_cerr(uri, "search", ret));
}
return (0);
}
/*
* list_print --
* List the high-level objects in the database.
*/
static int
list_print(WT_SESSION *session, const char *name, int cflag, int vflag)
{
WT_CURSOR *cursor;
WT_DECL_RET;
int found;
const char *key, *value;
/* Open the metadata file. */
if ((ret = session->open_cursor(
session, WT_METADATA_URI, NULL, NULL, &cursor)) != 0) {
/*
* If there is no metadata (yet), this will return ENOENT.
* Treat that the same as an empty metadata.
*/
if (ret == ENOENT)
return (0);
fprintf(stderr, "%s: %s: session.open_cursor: %s\n",
progname, WT_METADATA_URI, session->strerror(session, ret));
return (1);
}
found = name == NULL;
while ((ret = cursor->next(cursor)) == 0) {
/* Get the key. */
if ((ret = cursor->get_key(cursor, &key)) != 0)
return (util_cerr(cursor, "get_key", ret));
/*
* If a name is specified, only show objects that match.
*/
if (name != NULL) {
if (!WT_PREFIX_MATCH(key, name))
continue;
found = 1;
}
/*
* !!!
* We don't normally say anything about the WiredTiger metadata
* and lookaside tables, they're not application/user "objects"
* in the database. I'm making an exception for the checkpoint
* and verbose options.
*/
if (cflag || vflag ||
(strcmp(key, WT_METADATA_URI) != 0 &&
strcmp(key, WT_LAS_URI) != 0))
printf("%s\n", key);
if (!cflag && !vflag)
continue;
if (cflag && (ret = list_print_checkpoint(session, key)) != 0)
return (ret);
if (vflag) {
if ((ret = cursor->get_value(cursor, &value)) != 0)
return (util_cerr(cursor, "get_value", ret));
printf("%s\n", value);
}
}
if (ret != WT_NOTFOUND)
return (util_cerr(cursor, "next", ret));
if (!found) {
fprintf(stderr, "%s: %s: not found\n", progname, name);
return (1);
}
return (0);
}
int
util_read(WT_SESSION *session, int argc, char *argv[])
{
WT_CURSOR *cursor;
WT_DECL_RET;
uint64_t recno;
int ch;
bool rkey, rval;
char *uri, *value;
uri = NULL;
while ((ch = __wt_getopt(progname, argc, argv, "")) != EOF)
switch (ch) {
case '?':
default:
return (usage());
}
argc -= __wt_optind;
argv += __wt_optind;
/* The remaining arguments are a uri followed by a list of keys. */
if (argc < 2)
return (usage());
if ((uri = util_uri(session, *argv, "table")) == NULL)
return (1);
/*
* Open the object; free allocated memory immediately to simplify
* future error handling.
*/
if ((ret =
session->open_cursor(session, uri, NULL, NULL, &cursor)) != 0)
(void)util_err(session, ret, "%s: session.open_cursor", uri);
free(uri);
if (ret != 0)
return (ret);
/*
* A simple search only makes sense if the key format is a string or a
* record number, and the value format is a single string.
*/
if (strcmp(cursor->key_format, "r") != 0 &&
strcmp(cursor->key_format, "S") != 0) {
fprintf(stderr,
"%s: read command only possible when the key format is "
"a record number or string\n",
progname);
return (1);
}
rkey = strcmp(cursor->key_format, "r") == 0;
if (strcmp(cursor->value_format, "S") != 0) {
fprintf(stderr,
"%s: read command only possible when the value format is "
"a string\n",
progname);
return (1);
}
/*
* Run through the keys, returning non-zero on error or if any requested
* key isn't found.
*/
for (rval = false; *++argv != NULL;) {
if (rkey) {
if (util_str2recno(session, *argv, &recno))
return (1);
cursor->set_key(cursor, recno);
} else
cursor->set_key(cursor, *argv);
switch (ret = cursor->search(cursor)) {
case 0:
if ((ret = cursor->get_value(cursor, &value)) != 0)
return (util_cerr(cursor, "get_value", ret));
if (printf("%s\n", value) < 0)
return (util_err(session, EIO, NULL));
break;
case WT_NOTFOUND:
(void)util_err(session, 0, "%s: not found", *argv);
rval = true;
break;
default:
return (util_cerr(cursor, "search", ret));
}
}
return (rval ? 1 : 0);
}
/*
* dump_table_config_complex --
* Dump the column groups or indices for a table.
*/
static int
dump_table_config_complex(WT_SESSION *session, WT_CURSOR *cursor,
WT_CURSOR *srch, const char *name, const char *entry, bool json)
{
WT_CONFIG_ITEM cval;
WT_DECL_RET;
bool multiple;
const char *groupname, *key, *sep;
size_t len;
int exact;
const char *v;
char *p, *cfg[3] = {NULL, NULL, NULL};
multiple = false;
sep = "";
if (json) {
if (strcmp(entry, "colgroup:") == 0) {
groupname = "colgroups";
sep = ",";
} else {
groupname = "indices";
}
if (printf(" \"%s\" : [", groupname) < 0)
return (util_err(session, EIO, NULL));
}
/*
* Search the file looking for column group and index key/value pairs:
* for each one, look up the related source information and append it
* to the base record, where the column group and index configuration
* overrides the source configuration.
*/
cursor->set_key(cursor, entry);
if ((ret = cursor->search_near(cursor, &exact)) != 0) {
if (ret == WT_NOTFOUND)
return (0);
return (util_cerr(cursor, "search_near", ret));
}
if (exact >= 0)
goto match;
while ((ret = cursor->next(cursor)) == 0) {
match: if ((ret = cursor->get_key(cursor, &key)) != 0)
return (util_cerr(cursor, "get_key", ret));
/* Check if we've finished the list of entries. */
if (!WT_PREFIX_MATCH(key, entry))
break;
/*
* Check for a table name match. This test will match "simple"
* table column-groups as well as the more complex ones, but
* the previous version of the test was wrong and we're only
* in this function in the case of complex tables.
*/
if (!WT_PREFIX_MATCH(key + strlen(entry), name))
continue;
/* Get the value. */
if ((ret = cursor->get_value(cursor, &v)) != 0)
return (util_cerr(cursor, "get_value", ret));
if ((cfg[1] = strdup(v)) == NULL)
return (util_err(session, errno, NULL));
/* Crack it and get the underlying source. */
if ((ret = __wt_config_getones(
(WT_SESSION_IMPL *)session, cfg[1], "source", &cval)) != 0)
return (
util_err(session, ret, "%s: source entry", key));
/* Nul-terminate the source entry. */
len = cval.len + 10;
if ((p = malloc(len)) == NULL)
return (util_err(session, errno, NULL));
(void)snprintf(p, len, "%.*s", (int)cval.len, cval.str);
srch->set_key(srch, p);
if ((ret = srch->search(srch)) != 0)
ret = util_err(session, ret, "%s: %s", key, p);
free(p);
if (ret != 0)
return (1);
/* Get the source's value. */
if ((ret = srch->get_value(srch, &v)) != 0)
return (util_cerr(cursor, "get_value", ret));
if ((cfg[0] = strdup(v)) == NULL)
return (util_err(session, errno, NULL));
if (json && printf("%s\n", multiple ? "," : "") < 0)
return (util_err(session, EIO, NULL));
/*
* The dumped configuration string is the original key plus the
* source's configuration, where the values of the original key
* override any source configurations of the same name.
*/
if (print_config(session, key, cfg, json, false) != 0)
return (util_err(session, EIO, NULL));
multiple = true;
}
if (json && printf("\n ]%s\n", sep) < 0)
return (util_err(session, EIO, NULL));
free(cfg[0]);
free(cfg[1]);
if (ret == 0 || ret == WT_NOTFOUND)
return (0);
return (util_cerr(cursor, "next", ret));
}
/*
* dump_table_config --
* Dump the config for a table.
*/
static int
dump_table_config(
WT_SESSION *session, WT_CURSOR *cursor, const char *uri, bool json)
{
WT_CONFIG_ITEM cval;
WT_CURSOR *srch;
WT_DECL_RET;
size_t len;
int tret;
bool complex_table;
const char *name, *v;
char *p, **cfg, *_cfg[4] = {NULL, NULL, NULL, NULL};
p = NULL;
cfg = &_cfg[3];
/* Get the table name. */
if ((name = strchr(uri, ':')) == NULL) {
fprintf(stderr, "%s: %s: corrupted uri\n", progname, uri);
return (1);
}
++name;
/*
* Dump out the config information: first, dump the uri entry itself,
* it overrides all subsequent configurations.
*/
cursor->set_key(cursor, uri);
if ((ret = cursor->search(cursor)) != 0)
WT_ERR(util_cerr(cursor, "search", ret));
if ((ret = cursor->get_value(cursor, &v)) != 0)
WT_ERR(util_cerr(cursor, "get_value", ret));
if ((*--cfg = strdup(v)) == NULL)
WT_ERR(util_err(session, errno, NULL));
/*
* Workaround for WiredTiger "simple" table handling. Simple tables
* have column-group entries, but they aren't listed in the metadata's
* table entry, and the name is different from other column-groups.
* Figure out if it's a simple table and in that case, retrieve the
* column-group's configuration value and the column-group's "source"
* entry, where the column-group entry overrides the source's.
*/
complex_table = false;
if (WT_PREFIX_MATCH(uri, "table:")) {
len = strlen("colgroup:") + strlen(name) + 1;
if ((p = malloc(len)) == NULL)
WT_ERR(util_err(session, errno, NULL));
(void)snprintf(p, len, "colgroup:%s", name);
cursor->set_key(cursor, p);
if ((ret = cursor->search(cursor)) == 0) {
if ((ret = cursor->get_value(cursor, &v)) != 0)
WT_ERR(util_cerr(cursor, "get_value", ret));
if ((*--cfg = strdup(v)) == NULL)
WT_ERR(util_err(session, errno, NULL));
if ((ret =__wt_config_getones(
(WT_SESSION_IMPL *)session,
*cfg, "source", &cval)) != 0)
WT_ERR(util_err(
session, ret, "%s: source entry", p));
free(p);
len = cval.len + 10;
if ((p = malloc(len)) == NULL)
WT_ERR(util_err(session, errno, NULL));
(void)snprintf(p, len, "%.*s", (int)cval.len, cval.str);
cursor->set_key(cursor, p);
if ((ret = cursor->search(cursor)) != 0)
WT_ERR(util_cerr(cursor, "search", ret));
if ((ret = cursor->get_value(cursor, &v)) != 0)
WT_ERR(util_cerr(cursor, "get_value", ret));
if ((*--cfg = strdup(v)) == NULL)
WT_ERR(util_err(session, errno, NULL));
} else
complex_table = true;
}
WT_ERR(print_config(session, uri, cfg, json, true));
if (complex_table) {
/*
* The underlying table configuration function needs a second
* cursor: open one before calling it, it makes error handling
* hugely simpler.
*/
if ((ret = session->open_cursor(
session, "metadata:", NULL, NULL, &srch)) != 0)
WT_ERR(util_cerr(cursor, "open_cursor", ret));
if ((ret = dump_table_config_complex(
session, cursor, srch, name, "colgroup:", json)) == 0)
ret = dump_table_config_complex(
session, cursor, srch, name, "index:", json);
if ((tret = srch->close(srch)) != 0) {
tret = util_cerr(cursor, "close", tret);
if (ret == 0)
ret = tret;
}
} else if (json && printf(
" \"colgroups\" : [],\n"
" \"indices\" : []\n") < 0)
WT_ERR(util_cerr(cursor, NULL, EIO));
err: free(p);
free(_cfg[0]);
free(_cfg[1]);
free(_cfg[2]);
return (ret);
}
/*
* dump_table_config_type --
* Dump the column groups or indices for a table.
*/
static int
dump_table_config_type(WT_SESSION *session,
WT_CURSOR *cursor, WT_CURSOR *srch, const char *name, const char *entry)
{
WT_CONFIG_ITEM cval;
WT_DECL_RET;
const char *key, *skip, *value, *value_source;
int exact;
char *p;
/*
* Search the file looking for column group and index key/value pairs:
* for each one, look up the related source information and append it
* to the base record.
*/
cursor->set_key(cursor, entry);
if ((ret = cursor->search_near(cursor, &exact)) != 0) {
if (ret == WT_NOTFOUND)
return (0);
return (util_cerr(cursor, "search_near", ret));
}
if (exact >= 0)
goto match;
while ((ret = cursor->next(cursor)) == 0) {
match: if ((ret = cursor->get_key(cursor, &key)) != 0)
return (util_cerr(cursor, "get_key", ret));
/* Check if we've finished the list of entries. */
if (!WT_PREFIX_MATCH(key, entry))
return (0);
/* Check for a table name match. */
skip = key + strlen(entry);
if (strncmp(
skip, name, strlen(name)) != 0 || skip[strlen(name)] != ':')
continue;
/* Get the value. */
if ((ret = cursor->get_value(cursor, &value)) != 0)
return (util_cerr(cursor, "get_value", ret));
/* Crack it and get the underlying source. */
if ((ret = __wt_config_getones(
(WT_SESSION_IMPL *)session, value, "source", &cval)) != 0)
return (
util_err(session, ret, "%s: source entry", key));
/* Nul-terminate the source entry. */
if ((p = malloc(cval.len + 10)) == NULL)
return (util_err(session, errno, NULL));
(void)strncpy(p, cval.str, cval.len);
p[cval.len] = '\0';
srch->set_key(srch, p);
if ((ret = srch->search(srch)) != 0)
ret = util_err(session, ret, "%s: %s", key, p);
free(p);
if (ret != 0)
return (1);
/* Get the source's value. */
if ((ret = srch->get_value(srch, &value_source)) != 0)
return (util_cerr(cursor, "get_value", ret));
/*
* The dumped configuration string is the original key plus the
* source's configuration.
*/
if (print_config(session, key, value, value_source) != 0)
return (util_err(session, EIO, NULL));
}
if (ret == 0 || ret == WT_NOTFOUND)
return (0);
return (util_cerr(cursor, "next", ret));
}
/*
* dump_json_table_cg --
* Dump the column groups or indices for a table.
*/
static int
dump_json_table_cg(WT_SESSION *session, WT_CURSOR *cursor,
const char *name, const char *entry, const char *header)
{
WT_DECL_RET;
const char *key, *skip, *value;
int exact, once;
char *jsonconfig;
static const char * const indent = " ";
once = 0;
if (printf(" \"%s\" : [", header) < 0)
return (util_err(session, EIO, NULL));
/*
* For table dumps, we're done.
*/
if (cursor == NULL) {
if (printf("]") < 0)
return (util_err(session, EIO, NULL));
else
return (0);
}
/*
* Search the file looking for column group and index key/value pairs:
* for each one, look up the related source information and append it
* to the base record.
*/
cursor->set_key(cursor, entry);
if ((ret = cursor->search_near(cursor, &exact)) != 0) {
if (ret == WT_NOTFOUND)
return (0);
return (util_cerr(cursor, "search_near", ret));
}
if (exact >= 0)
goto match;
while ((ret = cursor->next(cursor)) == 0) {
match: if ((ret = cursor->get_key(cursor, &key)) != 0)
return (util_cerr(cursor, "get_key", ret));
/* Check if we've finished the list of entries. */
if (!WT_PREFIX_MATCH(key, entry))
break;
/* Check for a table name match. */
skip = key + strlen(entry);
if (strncmp(
skip, name, strlen(name)) != 0 || skip[strlen(name)] != ':')
continue;
/* Get the value. */
if ((ret = cursor->get_value(cursor, &value)) != 0)
return (util_cerr(cursor, "get_value", ret));
if ((ret = dup_json_string(value, &jsonconfig)) != 0)
return (util_cerr(cursor, "config dup", ret));
ret = printf("%s\n"
"%s{\n"
"%s \"uri\" : \"%s\",\n"
"%s \"config\" : \"%s\"\n"
"%s}",
(once == 0 ? "" : ","),
indent, indent, key, indent, jsonconfig, indent);
free(jsonconfig);
if (ret < 0)
return (util_err(session, EIO, NULL));
once = 1;
}
if (printf("%s]", (once == 0 ? "" : "\n ")) < 0)
return (util_err(session, EIO, NULL));
if (ret == 0 || ret == WT_NOTFOUND)
return (0);
return (util_cerr(cursor, "next", ret));
}
/*
* dump_config --
* Dump the config for the uri.
*/
static int
dump_config(WT_SESSION *session, const char *uri, int hex)
{
WT_CURSOR *cursor;
WT_DECL_RET;
WT_EXTENSION_API *wtext;
int tret;
const char *value;
/* Dump the config. */
if (WT_PREFIX_MATCH(uri, "table:")) {
/* Open a metadata cursor. */
if ((ret = session->open_cursor(
session, "metadata:", NULL, NULL, &cursor)) != 0) {
fprintf(stderr, "%s: %s: session.open_cursor: %s\n",
progname, "metadata:", wiredtiger_strerror(ret));
return (1);
}
/*
* Search for the object itself, just to make sure it exists,
* we don't want to output a header if the user entered the
* wrong name. This where we find out a table object doesn't
* exist, use a simple error message.
*/
cursor->set_key(cursor, uri);
if ((ret = cursor->search(cursor)) == 0) {
if (dump_prefix(hex) != 0 ||
dump_table_config(session, cursor, uri) != 0 ||
dump_suffix() != 0)
ret = 1;
} else if (ret == WT_NOTFOUND)
ret = util_err(0, "%s: No such object exists", uri);
else
ret = util_err(ret, "%s", uri);
if ((tret = cursor->close(cursor)) != 0) {
tret = util_cerr(uri, "close", tret);
if (ret == 0)
ret = tret;
}
} else {
/*
* We want to be able to dump the metadata file itself, but the
* configuration for that file lives in the turtle file. Reach
* down into the library and ask for the file's configuration,
* that will work in all cases.
*
* This where we find out a file object doesn't exist, use a
* simple error message.
*/
wtext = session->
connection->get_extension_api(session->connection);
if ((ret =
wtext->metadata_search(wtext, session, uri, &value)) == 0) {
if (dump_prefix(hex) != 0 ||
print_config(session, uri, value, NULL) != 0 ||
dump_suffix() != 0)
ret = 1;
} else if (ret == WT_NOTFOUND)
ret = util_err(0, "%s: No such object exists", uri);
else
ret = util_err(ret, "%s", uri);
}
return (ret);
}