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Many changes in DBHandler

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new general processing structure
just before splitting off the projects folder from this repo
This commit is contained in:
Silas Oettinghaus
2025-05-13 10:24:09 +02:00
parent 727c3d9364
commit 9ce23c4a10
38 changed files with 2440 additions and 1103 deletions
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48
Classes/DataBaseHandler/SqlOperator.m Normal file
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% SqlOperator - Enumeration of supported SQL operators for query building.
%
% Usage:
% op = SqlOperator.GREATER_THAN;
% opStr = op.toSqlString(); % returns '>'
%
% Supported operators:
% EQUALS, GREATER_THAN, LESS_THAN, GREATER_EQUAL, LESS_EQUAL,
% NOT_EQUAL, IN, BETWEEN, LIKE
classdef SqlOperator < uint32
enumeration
EQUALS (1) % ==
GREATER_THAN (2) % >
LESS_THAN (3) % <
GREATER_EQUAL (4) % >=
LESS_EQUAL (5) % <=
NOT_EQUAL (6) % !=
IN (7) % IN
BETWEEN (8) % BETWEEN
LIKE (9) % LIKE
end
methods
function op = toSqlString(obj)
switch obj
case SqlOperator.EQUALS
op = '=';
case SqlOperator.GREATER_THAN
op = '>';
case SqlOperator.LESS_THAN
op = '<';
case SqlOperator.GREATER_EQUAL
op = '>=';
case SqlOperator.LESS_EQUAL
op = '<=';
case SqlOperator.NOT_EQUAL
op = '!=';
case SqlOperator.IN
op = 'IN';
case SqlOperator.BETWEEN
op = 'BETWEEN';
case SqlOperator.LIKE
op = 'LIKE';
end
end
end
end