1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
|
/*
* Copyright 2004-2011 H2 Group.
* Copyright 2011 James Moger.
* Copyright 2012 Frédéric Gaillard.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.iciql;
import java.sql.ResultSet;
import com.iciql.Iciql.DataTypeAdapter;
import com.iciql.TableDefinition.IndexDefinition;
/**
* This interface defines points where iciql can build different statements
* depending on the database used.
*/
public interface SQLDialect {
/**
* Registers the type adapter instance.
*
* @param typeAdapter
*/
void registerAdapter(DataTypeAdapter<?> typeAdapter);
/**
* Returns the registered instance of the type adapter.
*
* @param typeAdapter
* @return the type adapter instance
*/
DataTypeAdapter<?> getAdapter(Class<? extends DataTypeAdapter<?>> typeAdapter);
/**
* Serialize the Java object into a type or format that the database will accept.
*
* @param value
* @param typeAdapter
* @return the serialized object
*/
<T> Object serialize(T value, Class<? extends DataTypeAdapter<?>> typeAdapter);
/**
* Deserialize the object received from the database into a Java type.
*
* @param rs
* @param columnIndex
* @param targetType
* @param typeAdapter
* @return the deserialized object
*/
Object deserialize(ResultSet rs, int columnIndex, Class<?> targetType, Class<? extends DataTypeAdapter<?>> typeAdapter);
/**
* Configure the dialect.
*
* @param db
*/
void configureDialect(Db db);
/**
* Returns true if savepoints are supported.
*
* @return true if savepoints may be used.
*/
boolean supportsSavePoints();
/**
* Allows a dialect to substitute an SQL type.
*
* @param sqlType
* @return the dialect-safe type
*/
String convertSqlType(String sqlType);
/**
* Returns a properly formatted table name for the dialect.
*
* @param schemaName
* the schema name, or null for no schema
* @param tableName
* the properly formatted table name
* @return the SQL snippet
*/
String prepareTableName(String schemaName, String tableName);
/**
* Returns a properly formatted column name for the dialect.
*
* @param name
* the column name
* @return the properly formatted column name
*/
String prepareColumnName(String name);
/**
* Get the CREATE TABLE statement.
*
* @param stat
* @param def
*/
<T> void prepareCreateTable(SQLStatement stat, TableDefinition<T> def);
/**
* Get the DROP TABLE statement.
*
* @param stat
* @param def
*/
<T> void prepareDropTable(SQLStatement stat, TableDefinition<T> def);
/**
* Get the CREATE VIEW statement.
*
* @param stat
* return the SQL statement
* @param def
* table definition
*/
<T> void prepareCreateView(SQLStatement stat, TableDefinition<T> def);
/**
* Get the CREATE VIEW statement.
*
* @param stat
* return the SQL statement
* @param def
* table definition
* @param fromWhere
*/
<T> void prepareCreateView(SQLStatement stat, TableDefinition<T> def, String fromWhere);
/**
* Get the DROP VIEW statement.
*
* @param stat
* return the SQL statement
* @param def
* table definition
*/
<T> void prepareDropView(SQLStatement stat, TableDefinition<T> def);
/**
* Get the CREATE INDEX statement.
*
* @param stat
* return the SQL statement
* @param schemaName
* the schema name
* @param tableName
* the table name
* @param index
* the index definition
*/
void prepareCreateIndex(SQLStatement stat, String schemaName, String tableName, IndexDefinition index);
/**
* Get a MERGE or REPLACE INTO statement.
*
* @param stat
* return the SQL statement
* @param schemaName
* the schema name
* @param tableName
* the table name
* @param def
* the table definition
* @param obj
* values
*/
<T> void prepareMerge(SQLStatement stat, String schemaName, String tableName, TableDefinition<T> def,
Object obj);
/**
* Append "LIMIT limit OFFSET offset" to the SQL statement.
*
* @param stat
* the statement
* @param limit
* the limit
* @param offset
* the offset
*/
void appendLimitOffset(SQLStatement stat, long limit, long offset);
/**
* Returns the preferred DATETIME class for the database.
* <p>
* Either java.util.Date or java.sql.Timestamp
*
* @return preferred DATETIME class
*/
Class<? extends java.util.Date> getDateTimeClass();
/**
* When building static string statements this method flattens an object to
* a string representation suitable for a static string statement.
*
* @param o
* @return the string equivalent of this object
*/
String prepareStringParameter(Object o);
}
|
