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22 id 1ZgDx8-0008Ec-SU; Sun, 27 Sep 2015 15:33:26 +0000
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25 From: David Bremner <david@tethera.net>
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26 To: notmuch@notmuchmail.org
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27 Subject: [Patch v4 3/9] lib: add versions of n_q_count_{message, threads} with
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29 Date: Sun, 27 Sep 2015 12:31:57 -0300
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30 Message-Id: <1443367923-11867-4-git-send-email-david@tethera.net>
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32 In-Reply-To: <1443367923-11867-1-git-send-email-david@tethera.net>
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33 References: <1443367923-11867-1-git-send-email-david@tethera.net>
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34 X-BeenThere: notmuch@notmuchmail.org
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37 List-Id: "Use and development of the notmuch mail system."
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38 <notmuch.notmuchmail.org>
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48 Although I think it's a pretty bad idea to continue using the old API,
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49 this allows both a more gentle transition for clients of the library,
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50 and allows us to break one monolithic change into a series
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52 lib/database.cc | 13 ++++++++++++-
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53 lib/notmuch.h | 48 ++++++++++++++++++++++++++++++++++++++++++------
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54 lib/query.cc | 47 +++++++++++++++++++++++++++++++++--------------
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55 3 files changed, 87 insertions(+), 21 deletions(-)
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57 diff --git a/lib/database.cc b/lib/database.cc
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58 index dcfad8c..f39d448 100644
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59 --- a/lib/database.cc
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60 +++ b/lib/database.cc
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61 @@ -1410,8 +1410,15 @@ notmuch_database_upgrade (notmuch_database_t *notmuch,
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62 (NOTMUCH_FEATURE_FILE_TERMS | NOTMUCH_FEATURE_BOOL_FOLDER |
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63 NOTMUCH_FEATURE_LAST_MOD)) {
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64 query = notmuch_query_create (notmuch, "");
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65 - total += notmuch_query_count_messages (query);
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66 + unsigned msg_count;
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68 + status = notmuch_query_count_messages_st (query, &msg_count);
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72 + total += msg_count;
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73 notmuch_query_destroy (query);
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76 if (new_features & NOTMUCH_FEATURE_DIRECTORY_DOCS) {
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77 t_end = db->allterms_end ("XTIMESTAMP");
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78 @@ -1492,6 +1499,7 @@ notmuch_database_upgrade (notmuch_database_t *notmuch,
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81 notmuch_query_destroy (query);
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85 /* Perform per-directory upgrades. */
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86 @@ -1612,6 +1620,9 @@ notmuch_database_upgrade (notmuch_database_t *notmuch,
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87 sigaction (SIGALRM, &action, NULL);
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91 + notmuch_query_destroy (query);
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93 talloc_free (local);
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96 diff --git a/lib/notmuch.h b/lib/notmuch.h
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97 index 8775683..2fb778b 100644
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100 @@ -984,10 +984,26 @@ notmuch_threads_destroy (notmuch_threads_t *threads);
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101 * This function performs a search and returns the number of matching
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104 - * If a Xapian exception occurs, this function may return 0 (after
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105 - * printing a message).
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108 + * NOTMUCH_STATUS_SUCCESS: query complete successfully.
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110 + * NOTMUCH_STATUS_XAPIAN_EXCEPTION: a Xapian exception occured. The
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111 + * value of *count is not defined.
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115 +notmuch_query_count_messages_st (notmuch_query_t *query, unsigned *count);
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118 + * like notmuch_query_count_messages_st, but without a status return
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120 + * May return 0 in the case of errors.
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122 + * @deprecated Deprecated since libnotmuch 4.3 (notmuch 0.21). Please
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123 + * use notmuch_query_count_messages_st instead.
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125 +NOTMUCH_DEPRECATED(4,3)
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127 notmuch_query_count_messages (notmuch_query_t *query);
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130 @@ -998,11 +1014,31 @@ notmuch_query_count_messages (notmuch_query_t *query);
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133 * Note that this is a significantly heavier operation than
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134 - * notmuch_query_count_messages().
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135 + * notmuch_query_count_messages{_st}().
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139 - * If an error occurs, this function may return 0.
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140 + * NOTMUCH_STATUS_OUT_OF_MEMORY: Memory allocation failed. The value
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141 + * of *count is not defined
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143 + * NOTMUCH_STATUS_SUCCESS: query complete successfully.
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145 + * NOTMUCH_STATUS_XAPIAN_EXCEPTION: a Xapian exception occured. The
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146 + * value of *count is not defined.
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150 +notmuch_query_count_threads_st (notmuch_query_t *query, unsigned *count);
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153 + * like notmuch_query_count_threads, but without a status return.
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155 + * May return 0 in case of errors.
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157 + * @deprecated Deprecated as of libnotmuch 4.3 (notmuch 0.21). Please
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158 + * use notmuch_query_count_threads_st instead.
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160 +NOTMUCH_DEPRECATED(4,3)
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162 notmuch_query_count_threads (notmuch_query_t *query);
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165 diff --git a/lib/query.cc b/lib/query.cc
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166 index 8cf0a07..e627bfc 100644
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169 @@ -541,9 +541,19 @@ notmuch_threads_destroy (notmuch_threads_t *threads)
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170 talloc_free (threads);
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175 notmuch_query_count_messages (notmuch_query_t *query)
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177 + notmuch_status_t status;
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178 + unsigned int count;
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180 + status = notmuch_query_count_messages_st (query, &count);
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181 + return status ? 0 : count;
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185 +notmuch_query_count_messages_st (notmuch_query_t *query, unsigned *count_out)
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187 notmuch_database_t *notmuch = query->notmuch;
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188 const char *query_string = query->query_string;
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189 Xapian::doccount count = 0;
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190 @@ -605,35 +615,44 @@ notmuch_query_count_messages (notmuch_query_t *query)
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191 "Query string was: %s\n",
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192 error.get_msg().c_str(),
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193 query->query_string);
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195 + return NOTMUCH_STATUS_XAPIAN_EXCEPTION;
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199 + *count_out = count;
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200 + return NOTMUCH_STATUS_SUCCESS;
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204 notmuch_query_count_threads (notmuch_query_t *query)
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206 + notmuch_status_t status;
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207 + unsigned int count;
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209 + status = notmuch_query_count_threads_st (query, &count);
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210 + return status ? 0 : count;
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214 +notmuch_query_count_threads_st (notmuch_query_t *query, unsigned *count)
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216 notmuch_messages_t *messages;
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218 - unsigned int count;
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219 notmuch_sort_t sort;
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220 - notmuch_status_t status;
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221 + notmuch_status_t ret = NOTMUCH_STATUS_SUCCESS;
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223 sort = query->sort;
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224 query->sort = NOTMUCH_SORT_UNSORTED;
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225 - status = notmuch_query_search_messages_st (query, &messages);
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229 + ret = notmuch_query_search_messages_st (query, &messages);
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232 query->sort = sort;
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233 if (messages == NULL)
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235 + return NOTMUCH_STATUS_XAPIAN_EXCEPTION;
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237 hash = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, NULL);
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238 if (hash == NULL) {
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239 talloc_free (messages);
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241 + return NOTMUCH_STATUS_OUT_OF_MEMORY;
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244 while (notmuch_messages_valid (messages)) {
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245 @@ -642,7 +661,7 @@ notmuch_query_count_threads (notmuch_query_t *query)
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246 char *thread_id_copy = talloc_strdup (messages, thread_id);
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247 if (unlikely (thread_id_copy == NULL)) {
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248 notmuch_message_destroy (message);
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250 + ret = NOTMUCH_STATUS_OUT_OF_MEMORY;
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253 g_hash_table_insert (hash, thread_id_copy, NULL);
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254 @@ -650,13 +669,13 @@ notmuch_query_count_threads (notmuch_query_t *query)
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255 notmuch_messages_move_to_next (messages);
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258 - count = g_hash_table_size (hash);
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259 + *count = g_hash_table_size (hash);
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262 g_hash_table_unref (hash);
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263 talloc_free (messages);
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269 notmuch_database_t *
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