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177 commits

Author SHA1 Message Date
Ary Borenszweig
4f724475e0 Fixed module reference inside macro 2016-09-28 14:46:34 -03:00
Ary Borenszweig
ae6a68f00e Use forall 2016-09-19 19:20:18 -03:00
Brian J. Cardiff
751be7aa6a Merge branch 'feature/pool' 
Conflicts:
	src/db/error.cr
 2016-09-13 01:42:24 -03:00
Brian J. Cardiff
a62c90d092 remove connection from pool if explicitly closed 2016-09-13 01:36:49 -03:00
Brian J. Cardiff
ea2a107069 allow releasing connections of the pool from pool_statements 
remove old connections from PoolStatement::@connections either disposed or closed connections
 2016-09-12 14:35:21 -03:00
Brian J. Cardiff
2db12d99f5 fix formatting issues 2016-09-06 13:24:57 -03:00
Brian J. Cardiff
6745ea956f migrate to crystal 0.19 
* select keyword hangs so Channel.select is used still
 2016-09-04 20:11:50 -03:00
Brian J. Cardiff
d3606831f3 Use select to distinguish between timeout and resource availability 2016-09-02 17:27:22 -03:00
Brian J. Cardiff
47e7d826e8 Add connection retry logic to connection pool 2016-08-31 17:32:01 -03:00
Brian J. Cardiff
dbf7c94ef4 release references to resources in pool. 2016-08-31 14:45:32 -03:00
Brian J. Cardiff
9c9176608d avoid caching statements in pool_statement 
Only the connections where it was prepared need to be cached.
The connections already have a statement cache based on the query
 2016-08-30 16:40:52 -03:00
Brian J. Cardiff
f568e4506d add cache of pool statements per query 
refactor/reuse connection statement cache
 2016-08-30 16:20:18 -03:00
Brian J. Cardiff
09b3b4bc01 minor code cleanup 2016-08-30 15:22:27 -03:00
Brian J. Cardiff
75aa821f5f make Database return PoolStatement 
create StatementMethods for common interface between Statement and PoolStatment.
 2016-08-29 16:56:34 -03:00
Brian J. Cardiff
6e94536a91 clean up forward declaration of Database and Statement 2016-08-29 16:48:59 -03:00
Brian J. Cardiff
8d891a5a4e changes needed due to 3c91978d36 
add posibility to inspect availability of a resource in a pool (testing only)
allow access to internal connection pool of db (testing only)
 2016-08-29 13:14:47 -03:00
Brian J. Cardiff
3c91978d36 Merged branch master into feature/pool 2016-08-29 12:57:42 -03:00
Brian J. Cardiff
325fa9d4ae ensure the connection is released after exec 
avoid releasing connection twice on exec.
avoid releasing connection when QueryMethod#query is blockless called.
 2016-08-29 01:23:20 -03:00
Brian J. Cardiff
bed461c01b allow connection initialization 2016-08-18 00:55:43 -03:00
Ary Borenszweig
b5112d9a48 Add ResultSet#column_names. Fixes #11 2016-07-17 21:50:52 -03:00
Ary Borenszweig
1a4622ee59 Allow passing named arguments to DB.mapping 2016-07-15 11:54:09 -03:00
Ary Borenszweig
1cce4685ff Make DB::Pool accept a block 2016-07-11 15:38:31 -03:00
Ary Borenszweig
fff67e86a0 Fix using_connection 2016-07-11 12:56:40 -03:00
Brian J. Cardiff
a2c22c16cf allow DB to use a connection pool. 
allow Driver to parse connection pool options for extensibility.
fix waiting_resource counter after a timeout was generated.
 2016-07-07 15:50:09 -03:00
Brian J. Cardiff
b8cabee956 surround waiting_resource counter with a mutex for future thread support. 2016-07-07 14:48:58 -03:00
Brian J. Cardiff
421996b952 resource pool implementation with 
* max_pool_size
* initial_pool_size
* max_idle_pool_size
* checkout_timeout
configuration options
 2016-07-05 15:21:39 -03:00
Santiago Palladino
9ca0b19d9e Support mappable classes in query_one and query_all methods 2016-07-04 12:46:45 -03:00
Santiago Palladino
99352d9d2d Remove unneeded typecast when advancing a column in mapping macro 2016-07-04 12:44:31 -03:00
Santiago Palladino
552b6e12b4 Rebase to latest DB version and upgrade to Crystal 0.18 2016-07-04 12:13:39 -03:00
Santiago Palladino
7fcedc6711 Database mapping macro 
Add `from_rs` method to class to load instances from a resultset. Inspired by YAML and JSON mapping macros.
 2016-07-04 11:19:16 -03:00
Santiago Palladino
5773faaa5c Enumerate columns in result_set 2016-07-04 11:11:21 -03:00
Ary Borenszweig
9c88f718e8 Require ResultSet to just implement read, optionally implementing read(T.class). Fixes #5 2016-06-30 09:46:25 -03:00
Ary Borenszweig
038ffef33a Don't use tap so return value is that of yield 2016-06-29 16:54:16 -03:00
Ary Borenszweig
72431bb1d8 Make sure to release a statmenet in case of an exception 2016-06-29 15:08:53 -03:00
Ary Borenszweig
2fc3f66a00 Make sure to return the connection to the pool in case of an exception preparing a query 2016-06-29 15:01:26 -03:00
Brian J. Cardiff
6838784f7b fix #1. avoid marking as closed if do_close raise exception 2016-06-24 10:54:30 -03:00
Brian J. Cardiff
933014c1aa fix bug related to Slice(T).new(0). It was messing with the data in the stack 2016-06-23 22:36:34 -03:00
Brian J. Cardiff
b2da4f3f6e allow scalar to return custom types 2016-06-23 22:19:53 -03:00
Brian J. Cardiff
34ae9d5775 avoid messing with finalize cycle in Disposable. 
ensure statements are closed when connection is closed
 2016-06-23 22:07:59 -03:00
Brian J. Cardiff
f836bbfccb add Database#using_connection to get a connection from the pool and return it when work is done. 2016-06-23 17:27:30 -03:00
Brian J. Cardiff
8025ecaa13 update Slice(UInt8) to Bytes 2016-06-22 14:10:09 -03:00
Brian J. Cardiff
9f3f0a9836 #5 remove read_object. allow read / read? to receive any type 2016-06-21 12:10:09 -03:00
Brian J. Cardiff
76e3a35d59 allow exec to receive any object arguments 2016-06-21 10:55:44 -03:00
Brian J. Cardiff
d4b2046a65 refactor and add specs for query without blocks 2016-06-21 10:55:44 -03:00
Brian J. Cardiff
3464a1d1cc allow query to receive any object arguments 2016-06-21 10:55:41 -03:00
Brian J. Cardiff
5b23114095 add ResultSet#read_object 2016-06-21 10:54:58 -03:00
Brian J. Cardiff
d69555b372 make Nil a proper column type 2016-06-21 10:53:34 -03:00
Ary Borenszweig
f834b0f8a6 Updated to Crystal 0.17.4 2016-06-16 12:16:39 -03:00
Brian J. Cardiff
6ee8c90ba7 forward declarations for docrystal.org (?) 2016-02-26 00:13:29 -03:00
Brian J. Cardiff
c6e2a51482 add readme and version 2016-02-25 23:53:23 -03:00
Brian J. Cardiff
44559f6f95 move spec and src files to a shardy way 2016-02-25 22:37:10 -03:00
Brian J. Cardiff
928c1517dc update to 0.12 features 
clarify expected protocol with ResultSet in docs
minor refactors suggested
 2016-02-25 22:27:42 -03:00
Brian J. Cardiff
2cb37d374c ensure db is closed after block 
avoid GC Warning
 2016-02-25 22:27:42 -03:00
Brian J. Cardiff
ee21fcfea6 update docs 2016-02-25 22:27:42 -03:00
Brian J. Cardiff
0cb7adabdb full type name in restriction 2016-02-25 22:27:42 -03:00
Brian J. Cardiff
4ed7f28fe6 ensure exec and scalar release connection 
ensure exec, query can be executed with Enumerable(Any)
update db doc sample
 2016-02-25 22:27:42 -03:00
Brian J. Cardiff
d45427dfdd expose database in connection 
get/return from pool while result set is been used. still single connection pool
 2016-02-25 22:27:42 -03:00
Brian J. Cardiff
fa111fd698 add statement cache in connection. 
hide methods from api
 2016-02-25 22:27:42 -03:00
Brian J. Cardiff
562d5076bf use URI as connection string 2016-02-25 22:27:42 -03:00
Brian J. Cardiff
b92d08bf74 refactor db disposables 2016-02-25 22:27:42 -03:00
Brian J. Cardiff
782a2ee0e2 hide #prepare from api. 2016-02-25 22:27:42 -03:00
Brian J. Cardiff
6a5b2a8758 assert connection is closed after db is used. 
tidy up close methods
 2016-02-25 22:27:35 -03:00
Brian J. Cardiff
3598dddb65 split perform_query and perform_exec 
add DB::ExecResult to have a concurrency safety exec result
remove connection string from abstract DB::Connection
 2016-02-25 22:25:55 -03:00
Brian J. Cardiff
67fe5c9aae leave a single scalar value returns DB::Any 2016-02-25 22:25:55 -03:00
Brian J. Cardiff
d01da912f7 code review notes 
close / do_close in result_set
avoid closing statements
remove named arguments
refactor positioned arguments query
 2016-02-25 22:25:55 -03:00
Brian J. Cardiff
fd804dd592 switch to 0-pased positional arguments 
add docs, many docs
 2016-02-25 22:25:55 -03:00
Brian J. Cardiff
a96776e336 use connection_string as database configuration instead of a hash 2016-02-25 22:25:55 -03:00
Brian J. Cardiff
8c0313a306 add Connection#last_inserted_id 
extract QueryMethods modules and use it in Database and Connection
"add" finalize methods, but they cause GC warnings
 2016-02-25 22:25:55 -03:00
Brian J. Cardiff
1fb0b8a82b add ResultSet#exec to ensure the query is performed. By default generates a move_next. 2016-02-25 22:25:54 -03:00
Brian J. Cardiff
683e6bdfa7 major db refactor for a better api. 
`#query`, `#exec`, `#scalar`, `#scalar?` as main query methods from `Database`
blocks overrides that ensure statements are closed.
 2016-02-25 22:25:54 -03:00
Brian J. Cardiff
caf2676aad column_count and column_names 
close result_set and statements
main entry points for exec_non_query and exec_query closing them when ready
 2016-02-25 22:25:54 -03:00
Brian J. Cardiff
e50cc4ec73 add specs for statement arguments 
add support for blobs (i.e. Slice(UInt8) )
 2016-02-25 22:25:54 -03:00
Brian J. Cardiff
8a8b86e31a arguments support 2016-02-25 22:25:54 -03:00
Brian J. Cardiff
1572062501 introduce database as driver wrapper. 
expose list of types to support by the drivers implementors.
deal with nilable types with `#read?(T.class) : T?` methods.
change `#has_next` to `#move_next`
 2016-02-25 22:25:54 -03:00
Brian J. Cardiff
c16dc42e96 allow result_set#each 2016-02-25 22:25:54 -03:00
Brian J. Cardiff
4dd0312934 prepare/exec a statement 
dummy driver that parses the query
initial type support for result_sets
 2016-02-25 22:25:54 -03:00
Brian J. Cardiff
cc1545a58e db driver registration 2016-02-25 22:25:54 -03:00