work around calloc error in R 2.10

[cran2deb.git] / trunk / R / db.R

diff --git a/trunk/R/db.R b/trunk/R/db.R
index a1c47cb118bbf8b1f75118401977037979a99c21..c41fb529465e23ff3580b4e0dc8463322fbd3741 100644 (file)
--- a/trunk/R/db.R
+++ b/trunk/R/db.R
@@ -75,6 +75,7 @@ db_start <- function() {
                   ,',broken_dependency INTEGER NOT NULL DEFAULT 0'
                   ,',unsatisfied_dependency INTEGER NOT NULL DEFAULT 0'
                   ,',breaks_cran2deb INTEGER NOT NULL DEFAULT 0'
+                  ,',other INTEGER NOT NULL DEFAULT 0'
                   ,',explanation TEXT NOT NULL '
                   ,')'))
     }
@@ -306,6 +307,21 @@ db_date_format <- '%Y-%m-%d'
 db_time_format <- '%H:%M:%OS %Z'
 
 db_record_build <- function(package, deb_version, log, success=F) {
+    # if the log is more than 1kB, only keep the last 1kB.
+    # this is to work around a problem that seems to have appeared in R 2.10 causing calloc errors.
+    # if the log is not pruned then we get the following error:
+    # 
+    # Error in gsub("(['\"])", "\\1\\1", text) :
+    #   Calloc could not allocate (-197080581 of 1) memory
+    # Error in dbGetQuery(con, paste("INSERT OR REPLACE INTO builds", "(package,system,r_version,deb_epoch,deb_revision,db_version,success,date_stamp,time_stamp,scm_revision,log)",  :
+    #   error in evaluating the argument 'statement' in selecting a method for function 'dbGetQuery'
+
+    log = paste(log,collapse='\n')
+    end = nchar(log)
+    max_log_len = 1024
+    if (end > max_log_len) {
+        log = db_quote(substr(log,end-max_log_len,end))
+    }
     con <- db_start()
     o<-options(digits.secs = 6)
     dbGetQuery(con,paste('INSERT OR REPLACE INTO builds'
@@ -321,7 +337,7 @@ db_record_build <- function(package, deb_version, log, success=F) {
                         ,',',db_quote(format(Sys.time(), db_date_format))
                         ,',',db_quote(format(Sys.time(), db_time_format))
                         ,',',db_quote(scm_revision)
-                        ,',',db_quote(paste(log, collapse='\n'))
+                        ,',',log
                         ,')'))
     options(o)
     db_stop(con)
@@ -419,3 +435,48 @@ db_blacklist_packages <- function() {
     db_stop(con)
     return(packages)
 }
+
+db_blacklist_reasons <- function () {
+    con <- db_start()
+    packages <- dbGetQuery(con,'SELECT package,explanation from blacklist_packages')
+    db_stop(con)
+    return(packages)
+}
+
+db_todays_builds <- function() {
+    today <- db_quote(format(Sys.time(), db_date_format))
+    con <- db_start()
+    builds <- dbGetQuery(con,paste('select id,success,system,package,
+                                    r_version as version,deb_epoch as epo,
+                                    deb_revision as rev, scm_revision as svnrev,
+                                    db_version as db,date_stamp,time_stamp
+                                    from builds where date_stamp = ',today))
+    db_stop(con)
+    return(builds)
+}
+
+db_successful_builds <- function() {
+    con <- db_start()
+    builds <- dbGetQuery(con,'select system,package,r_version,date_stamp,time_stamp
+                              from builds natural join (select system,package,max(id) as id
+                                                        from builds
+                                                        where package not in
+                                                                (select package from blacklist_packages)
+                                                        group by package,system)
+                              where success = 1')
+    db_stop(con)
+    return(builds)
+}
+
+db_failed_builds <- function() {
+    con <- db_start()
+    builds <- dbGetQuery(con,'select system,package,r_version,date_stamp,time_stamp
+                              from builds natural join (select system,package,max(id) as id
+                                                        from builds
+                                                        where package not in
+                                                                (select package from blacklist_packages)
+                                                        group by package,system)
+                              where success = 0')
+    db_stop(con)
+    return(builds)
+}