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301 Commits

Author SHA1 Message Date
rbock
fa18ce5476 interpret works for insert now 
Also added explicit .default_values() method
 2014-01-13 23:05:48 +01:00
rbock
eb9f92543e Interpret works for parameters now 
Also, paramters inherit the operators they need
 2014-01-13 21:00:20 +01:00
rbock
c03ef1b0b1 interpret handles order_by(), limit() and offset() 2014-01-13 06:24:27 +01:00
rbock
f21860e5c5 Cleaned up a hack in like() 2014-01-12 16:26:47 +01:00
rbock
7fc5c34190 interpret works for group_by(), having() und .like() 2014-01-12 16:19:09 +01:00
rbock
d56d1422cd interpret works for where() 2014-01-12 16:01:38 +01:00
rbock
1d3ea8516f interpreter for from() 2014-01-12 15:45:50 +01:00
rbock
d957e8c0ae Added interpreter to select, select_flag_list, select_expression_list 2014-01-12 12:22:15 +01:00
rbock
f8b5d750fa Removed superfluous template parameter from interpreter 
The Db parameter would actually have prevented different Context
overloads (or made more difficult than necessary).
 2014-01-12 10:13:15 +01:00
rbock
47ae6a2e76 Continued to implement standard serializing interpreters 
Everything that is interpreted also has to move out of detail namespace,
because it might have to be specialized for a database connector
 2014-01-11 21:51:57 +01:00
rbock
bef7cea6a6 Started to switch from member serialize -> non-member interpret 
This will allow database connectors to specialize the interpretation of
the expression tree and interpret queries in vendor specific ways where
required.
 2014-01-11 00:11:47 +01:00
rbock
a68d6fb828 Prepared insert/update/delete now work with the mysql connector 2014-01-09 22:33:23 +01:00
rbock
121f56549b Added prepared statement support to insert, update and remove (untested yet) 2014-01-08 22:14:16 +01:00
rbock
3f519d6fce Started to add prepared statement support for insert, update and remove 2014-01-08 21:31:29 +01:00
Roland Bock
a122924d37 Accepting parameters in other parts of select now 
(formerly only where and having clauses)
 2014-01-08 08:02:17 +01:00
Roland Bock
e601747fca Assert that parameters are not used in dynamic elements of a query. 
This will need to change in the future
 2014-01-07 07:29:55 +01:00
Roland Bock
b8907df4ef Implemented parameter index determination 2014-01-05 19:25:52 +01:00
Roland Bock
51e0db883f Added static assert to prevent automatic rivial->null conversion to happen in where/having 2014-01-05 13:29:08 +01:00
Roland Bock
409fa3baac Test with boolean and text parameters in prepared query compiles and runs 
with mysql
 2014-01-04 19:32:18 +01:00
Roland Bock
c140e13510 Small fix for dynamic results and a hint for positional parameters 2014-01-04 18:26:11 +01:00
Roland Bock
bbf18e4f7a Changed data type for boolean to signed char (seems to be more common for binary bindings) 2014-01-04 18:21:48 +01:00
Roland Bock
5b77bf3fea Added missing validate methods 2014-01-04 10:20:58 +01:00
Roland Bock
099250945c Successfully running the first prepared select statement including result evaluation 2014-01-03 14:27:06 +01:00
Roland Bock
6e5ee56577 prepared to detemplatify connector results 2014-01-02 20:20:58 +01:00
Roland Bock
9ca174054d Can bind results. 2014-01-02 19:05:27 +01:00
Roland Bock
1360b1d9db Turned value_type::parameter_t into a non-template 2014-01-02 13:11:19 +01:00
Roland Bock
9d0746b15c Can now bind integral parameters and execute prepared queries 2013-12-29 20:31:59 +01:00
Roland Bock
b031bda5fc Can now prepare a select (tested with mysql) 2013-12-28 22:52:54 +01:00
Roland Bock
b4baf38fab Parameters of prepared statements can be null now 2013-12-26 19:05:05 +01:00
Roland Bock
3ef3faa0f4 Fixed bug in dynamic result row. 2013-12-18 08:19:50 +01:00
Roland Bock
a915bd9e50 Refactored of result and result row (clearer structure depending on connectors) 2013-12-17 22:12:13 +01:00
Roland Bock
2b43d3bc15 Added default constructor to result field types 2013-12-15 18:52:05 +01:00
Roland Bock
9597c3712c Moved result construction more towards connector. 
This will make it easier to handle different formats
 2013-12-15 13:02:41 +01:00
Roland Bock
51786a9f1d Added a prepared_select_t type and a prepare method for select 
This is not done yet, but it indicates the way to go...
 2013-11-28 11:12:44 +01:00
Roland Bock
221e20918b select now collects parameters from Where and Having 2013-11-26 23:45:31 +01:00
Roland Bock
8f99a03359 Can extract parameters from expression 2013-11-22 09:42:28 +01:00
Roland Bock
1aa67c6604 Added parameter and parameter_list 
parameters are to be used as placeholders in the query.
parameter lists are to be used to assign values to these parameters and
forward them to the database.
 2013-11-19 19:21:58 +01:00
Roland Bock
6f780a9542 Allow non-zero start values for dynamic limit and offset 2013-11-18 07:32:09 +01:00
Roland Bock
8d12d23d67 Added verbatim table 2013-11-16 23:19:37 +01:00
Roland Bock
5304e77f4a Streamlined usage of dynamic and non-dynamic method versions 
from, where, having, group_py, order_by, using.

Prepared on() as well
 2013-11-16 18:36:05 +01:00
Roland Bock
4b4048bd11 Unified interface for where and dynamic_where. 
Compatible with previous interface.
Both where and dynamic where can now take a variable amount of
arguments. where() requires at least one argument.
 2013-11-16 09:37:38 +01:00
Roland Bock
81309ce58f Minor cleanup 2013-11-15 10:09:42 +01:00
Roland Bock
e7c6f88d23 Remove clang warning for in() and is_null() 2013-11-15 10:01:45 +01:00
Roland Bock
6db64212b6 Prevent template constructor to overload default copy constructors 2013-11-15 10:00:48 +01:00
Roland Bock
3c5682f3ae Use serializable_list in update and insert 2013-11-15 09:59:44 +01:00
Roland Bock
16e3851847 Prevent template constructor to overload default copy cosntructors 2013-11-15 09:57:30 +01:00
Roland Bock
d3e438606c Added serializable_list (which is a noop for non-dynamic cases) 2013-11-15 09:56:46 +01:00
Roland Bock
9d09127e71 Fixed stupid bug in insert. 
Basically nothing would have ever been inserted other than default
lines.
 2013-11-10 15:29:20 +01:00
Roland Bock
81c77a58f4 Even moe function tests and a few corrections 2013-11-08 09:09:52 +01:00
Roland Bock
813549690e More function tests and a few corrections for names and return types 2013-11-07 15:06:13 +01:00
Roland Bock
9d94f6770b Added function tests and fixed a few return types 2013-11-07 13:36:54 +01:00
Roland Bock
0a57af0b3d Added tests for integral and floating point 2013-11-07 12:23:49 +01:00
Roland Bock
aae910671e Replaced numeric by integral and floating_point 2013-11-07 11:31:42 +01:00
Roland Bock
d3963e04b6 Added more checks for database traits 2013-11-01 15:25:52 +01:00
Roland Bock
e63a798a82 Started to use flags to indicate database traits 
e.g. support for any or outer join, or how string concatenation is
implemented
 2013-11-01 12:23:50 +01:00
Roland Bock
a17a8ecfa6 Reduced resource requirements for non-dynamic selects 2013-10-31 09:43:10 +01:00
Roland Bock
7050491bf0 Added support for dynamic columns 2013-10-29 19:32:52 +01:00
Roland Bock
902583a33b Added support for dynamic columns to select_expression_list 
Dynamic columns are not yet supported in results, though.
 2013-10-09 10:36:38 +02:00
Roland Bock
3718f4a57c Added default constructor for result type 2013-10-05 20:14:05 +02:00
Roland Bock
29165b2ce3 Removed obsolete flag in join types 2013-10-05 20:13:42 +02:00
Roland Bock
cff18e917b Reworked join syntax 2013-10-05 17:35:40 +02:00
Roland Bock
c59c8d9ba9 Reduced likelihood of mistakes in CRTP for tables. 
Renaming serialize -> serialize_impl helped tracking down an error in
the connection implementation examples
 2013-10-03 22:25:23 +02:00
Roland Bock
4d8e448152 Disabled select(tab). Use select(all_of(tab)) instead. 2013-10-03 21:36:50 +02:00
Roland Bock
96c6e5d435 Dynamic methods of select, insert and co return *this now. 
Not sure if chaining makes much sense, but it is possible now
 2013-10-03 20:53:55 +02:00
Roland Bock
bd337954fa Deleted unused struct 2013-10-02 19:45:58 +02:00
Roland Bock
1a8ea5a3b3 Re-wrote in()/not_in() to use a specific template and removed the generic nary member function template 
The specific version is easier to understand and could be adjusted more
easily if some database should not support it...
 2013-10-02 10:55:36 +02:00
Roland Bock
7fde9dafb2 Cleaned up a bunch of unused expression templates 2013-10-02 07:40:26 +02:00
Roland Bock
a2d23006f0 Fixed ambiguous assignment operator 2013-10-02 07:32:28 +02:00
Roland Bock
2e7d5478f6 Added dynamic functions to insert, remove and update 2013-09-30 07:46:50 +02:00
Roland Bock
d0d5fd2969 Replaced tag_yes and tag_no by std::true_type and std::false_type 2013-09-29 09:02:51 +02:00
Roland Bock
581353dc53 Streamlined some typenames 2013-09-29 08:51:29 +02:00
Roland Bock
3d777d982a Added missing file offset.h 2013-09-27 10:59:09 +02:00
Roland Bock
75447a2959 Fixed compile bug in gcc-4.8 2013-09-27 10:58:41 +02:00
Roland Bock
5604d5d663 Added dynamic limit and offset 2013-09-26 18:54:52 +02:00
Roland Bock
716996db51 Added dynamic versions of group_by, having and order_by 2013-09-22 21:29:53 +02:00
Roland Bock
472833016f Added dynamic versions of from and where to select 2013-09-22 20:42:19 +02:00
Roland Bock
5576df1775 Cleaned up select_pseudo_table and started to prepare for dynamic select parts 2013-09-22 12:16:28 +02:00
Roland Bock
950859af5f Rewrote macro generated function code to handwritten code 
This increases the number of Bytes, but it also increases readability,
and reduces complexity.
It also allows to specialize functions for database engines.
 2013-09-19 17:07:14 +02:00
Roland Bock
0db405c28c Rewrote like() member function, added more type control to concat() 2013-09-19 09:04:07 +02:00
Roland Bock
1ab504f908 Fixed compile time checks for concat 2013-09-19 08:15:19 +02:00
Roland Bock
683731517a Introduced result::front, pop_front and empty() to make it more STL-container-like 2013-09-19 08:08:59 +02:00
Roland Bock
8189dc6a00 Fixed bug in type set 2013-09-19 08:04:01 +02:00
Roland Bock
705c16e5a3 Rewrote concat function, preparing for concat and operator||, depending on the connector 2013-09-18 15:52:41 +02:00
Roland Bock
c042d99643 Introduced unary function templates which use one pair of braces less 
This is required for sqlite which cannot parse

SELECT EXISTS((SELECT 1))
 2013-09-18 15:19:47 +02:00
Roland Bock
d55cfce746 Simplified check for duplicate names in select expression list 2013-09-17 07:45:54 +02:00
Roland Bock
161da75723 Stripped a lot of superfluouos type information from result rows. 
Moved member template into name class to utilize the fact the class
aliases are really just aliases.
This makes the code leaner in many cases and less complex for the compiler
(I guess). It also has the benefit, that the field name is available as
string in the result_rows. This might be useful for debugging one day.
 2013-09-13 09:18:15 +02:00
Roland Bock
2defeff18e Introduced field template to make result_row_t less specific. 
It is sufficient to have name and type. There is no need for the result
"to know" what exact expression was used to define the column.

Surprisingly, template alias creates new templates (in contrast to
non-template using, which really just creates an alias of a type).

template<typename T> struct A{};

struct X
{
  template<typename T>
    using U = A<T>;
};

struct Y
{
  template<typename T>
    using U = A<T>;
  template<>
    using U<int> = X;
};

template<template<typename> class X>
struct Z{};

static_assert(std::is_same<X::U<int>, Y::U<int>>::value, "class aliases are really just aliases");
static_assert(not std::is_same<Z<X::U>, Z<Y::U>>::value, "template aliases are new templates");

int main()
{
}
 2013-09-13 07:24:41 +02:00
Roland Bock
9c1e75cd89 Adjusted insert and update to work with sqlite 
Introduced first connector trait to change query generation.
 2013-09-09 22:45:34 +02:00
Roland Bock
a629988abe Minor code cleanup 2013-09-05 23:57:37 +02:00
Roland Bock
92312445f8 Added convenience include file 2013-09-05 23:56:33 +02:00
Roland Bock
e928b72ede Removed result::size() 
The number of rows is unknown in many cases. This might depend on the
configuration.
 2013-08-22 08:11:43 +02:00
Roland Bock
09226497a4 Restructured expression types and braces to handle ANY and SOME 2013-08-21 23:25:38 +02:00
Roland Bock
cf1dae396a Fixed handling of IS NULL and IS NOT NULL expressions 2013-08-21 19:32:11 +02:00
Roland Bock
c41a181ca9 Improved early type checking in stand-alone functions 2013-08-21 19:30:56 +02:00
Roland Bock
f244f1110a Added like method for text types 2013-08-21 19:30:13 +02:00
Roland Bock
80e573568e Fixed result to not consume rows with operator* and operator-> 2013-08-17 11:26:58 +02:00
Roland Bock
b7c13e3974 Expand tab -> all_of(tab) in multi_column 2013-08-17 11:25:05 +02:00
Roland Bock
8914e3d18f Fixed decltype to work with g++ 2013-08-17 11:23:54 +02:00
Roland Bock
4ea28cac4b Added support for g++-4.8 2013-08-15 11:54:20 +02:00
Roland Bock
e4bcc27463 is_null() throws for invalid rows 
result_row objects can be constructed with raw result rows representing
the end of the result set. Field values must not be accessed for such
rows. Thus, is_null() now throws an exception when called for a field of
an invalid row.
 2013-08-15 09:32:24 +02:00
Roland Bock
e6f086bbfa Cleaned up directory structure. 2013-08-14 06:34:11 +02:00