{"id":1780,"date":"2010-01-18T12:43:13","date_gmt":"2010-01-18T02:43:13","guid":{"rendered":"http:\/\/www.flamingspork.com\/blog\/?p=1780"},"modified":"2010-01-18T12:43:13","modified_gmt":"2010-01-18T02:43:13","slug":"you-have-already-lost","status":"publish","type":"post","link":"https:\/\/www.flamingspork.com\/blog\/2010\/01\/18\/you-have-already-lost\/","title":{"rendered":"You have already lost"},"content":{"rendered":"

When the following code introduces a valgrind warning… you are in a world of pain and loss:<\/p>\n

=== modified file 'drizzled\/field\/blob.h'\r\n--- drizzled\/field\/blob.h\t2009-12-21 08:16:13 +0000\r\n+++ drizzled\/field\/blob.h\t2010-01-18 01:36:48 +0000\r\n@@ -32,6 +32,7 @@\r\n  *\/\r\n class Field_blob :public Field_str {\r\n protected:\r\n+  uint32_t assassass;\r\n   uint32_t packlength;\r\n   String value;\t\t\t\t\/\/ For temporaries\r\n public:<\/pre>\n","protected":false},"excerpt":{"rendered":"
When the following code introduces a valgrind warning… you are in a world of pain and loss: === modified file ‘drizzled\/field\/blob.h’ — drizzled\/field\/blob.h 2009-12-21 08:16:13 +0000 +++ drizzled\/field\/blob.h 2010-01-18 01:36:48 +0000 @@ -32,6 +32,7 @@ *\/ class Field_blob :public Field_str … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[1],"tags":[216],"class_list":["post-1780","post","type-post","status-publish","format-standard","hentry","category-general","tag-drizzle-fail"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p5a6n8-sI","jetpack-related-posts":[{"id":1390,"url":"https:\/\/www.flamingspork.com\/blog\/2009\/02\/15\/the-frm-file-format\/","url_meta":{"origin":1780,"position":0},"title":"The FRM file format","author":"Stewart Smith","date":"2009-02-15","format":false,"excerpt":"It's fortunate that I'm watching Veronica Mars again with a mate; a more-than-you-think amount of detective work is required to understand the relationship (and format) of the TABLE_SHARE, the FRM file and HA_CREATE_INFO. Oh, also you'll need drizzled\/base.h and drizzled\/structs.h and drizzled\/table_share.h is also a good one to have open.\u2026","rel":"","context":"In "drizzle"","block_context":{"text":"drizzle","link":"https:\/\/www.flamingspork.com\/blog\/category\/work-et-al\/drizzle-work-et-al\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1716,"url":"https:\/\/www.flamingspork.com\/blog\/2009\/10\/01\/table_raw_reader-reading-the-table-proto-from-disk-and-examining-everything\/","url_meta":{"origin":1780,"position":1},"title":"table_raw_reader – reading the table proto from disk and examining everything","author":"Stewart Smith","date":"2009-10-01","format":false,"excerpt":"Ever wondered exactly *what* was in a Drizzle Table proto? Well, wonder no more. A while back this little utility called table_raw_reader hit the drizzle codebase. It's a simple command line utility that takes a .proto file as an argument, reads it off disk and then prints out a text\u2026","rel":"","context":"In "drizzle"","block_context":{"text":"drizzle","link":"https:\/\/www.flamingspork.com\/blog\/category\/work-et-al\/drizzle-work-et-al\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1813,"url":"https:\/\/www.flamingspork.com\/blog\/2010\/03\/12\/writing-a-storage-engine-for-drizzle-part-2-create-table\/","url_meta":{"origin":1780,"position":2},"title":"Writing A Storage Engine for Drizzle, Part 2: CREATE TABLE","author":"Stewart Smith","date":"2010-03-12","format":false,"excerpt":"The DDL code paths for Drizzle are increasingly different from MySQL. For example, the embedded_innodb StorageEngine CREATE TABLE code path is completely different than what it would have to be for MySQL. This is because of a number of reasons, the primary one being that Drizzle uses a protobuf message\u2026","rel":"","context":"In "drizzle"","block_context":{"text":"drizzle","link":"https:\/\/www.flamingspork.com\/blog\/category\/work-et-al\/drizzle-work-et-al\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1765,"url":"https:\/\/www.flamingspork.com\/blog\/2009\/12\/11\/the-schema-protobuf-message-drizzles-metadata-on-a-schema\/","url_meta":{"origin":1780,"position":3},"title":"The Schema protobuf message: Drizzle’s metadata on a schema","author":"Stewart Smith","date":"2009-12-11","format":false,"excerpt":"I've previously talked about table metadata in Drizzle and how we use the table protobuf message to describe a table (see Drizzle FRM Replacement and others). The model in Drizzle is that the engine is responsible for its metadata. For schemas (you may be thinking 'database' but we're moving to\u2026","rel":"","context":"In "drizzle"","block_context":{"text":"drizzle","link":"https:\/\/www.flamingspork.com\/blog\/category\/work-et-al\/drizzle-work-et-al\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1587,"url":"https:\/\/www.flamingspork.com\/blog\/2009\/04\/08\/using-dtrace-to-find-out-why-solaris-is-so-slow-and-if-its-actually-solaris\/","url_meta":{"origin":1780,"position":4},"title":"Using Dtrace to find out if the hardware or Solaris is slow (but really just working around the problem)","author":"Stewart Smith","date":"2009-04-08","format":false,"excerpt":"A little while ago, I was the brave soul tasked with making sure Drizzle was working properly and passing all tests on Solaris and OpenSolaris. Brian recently blogged about some of the advantages of also running on Solaris and the SunStudio compilers - more warnings from the compiler is a\u2026","rel":"","context":"In "drizzle"","block_context":{"text":"drizzle","link":"https:\/\/www.flamingspork.com\/blog\/category\/work-et-al\/drizzle-work-et-al\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1655,"url":"https:\/\/www.flamingspork.com\/blog\/2009\/06\/09\/drizzle-pluggable-metadatastore-or-no-table-definition-file-on-disk\/","url_meta":{"origin":1780,"position":5},"title":"Drizzle pluggable MetadataStore (or: no table definition file on disk)","author":"Stewart Smith","date":"2009-06-09","format":false,"excerpt":"My code is shaping up rather nicely (see https:\/\/code.launchpad.net\/~stewart\/drizzle\/discovery) and I'm planning to submit a merge-request for it later today. I'm about to commit code that implements a MetadataStore for the ARCHIVE engine. This means that for ARCHIVE tables, you only have the .ARZ file on disk. 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