File: SSDLToMySQL.tt

package info (click to toggle)
mysql-connector-net 6.4.3-4
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 6,160 kB
  • ctags: 8,552
  • sloc: cs: 63,689; xml: 7,505; sql: 345; makefile: 50; ansic: 40
file content (208 lines) | stat: -rw-r--r-- 7,863 bytes parent folder | download | duplicates (2)
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
<# 
//---------------------------------------------------------------------
// <copyright file="SsdlToMySql.tt" company="Oracle">
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// </copyright>
//---------------------------------------------------------------------
// This T4 template generates MySQL from an instance of 
// System.Data.Metadata.Edm.StoreItemCollection, an object representation
// of the SSDL. This MySQL is compatible with MySQL 4.1 and higher.
//---------------------------------------------------------------------
// Note: We will resolve all paths in assembly directives at runtime, taking 
// macros into account (e.g. $(DevEnvDir), $(ProjectDir), etc.)
#>
<#@ assembly name="System.Core" #>
<#@ assembly name="System.Data.Entity" #>
<#@ assembly name="System.Data.Entity.Design" #>
<#@ assembly name="$(DevEnvDir)Microsoft.Data.Entity.Design.DatabaseGeneration.dll"#>
<#@ import namespace="System.Linq" #>
<#@ import namespace="System.Text" #>
<#@ import namespace="System.Collections.Generic" #>
<#@ import namespace="System.Data.Entity.Design" #>
<#@ import namespace="System.Data.Metadata.Edm" #>
<#@ import namespace="Microsoft.Data.Entity.Design.DatabaseGeneration" #>
<#@ import namespace="System.Runtime.Remoting.Messaging" #>
<#@ import namespace="System.Text.RegularExpressions" #>
<#@ template language="C#" debug="true" hostspecific="true" #>
<#@ include file="GenerateTSQL.Utility.ttinclude"#>
<#@ include file="GenerateMySQL.Utility.ttinclude"#>
<#@ output extension = ".mysql" #>

<#
// +++++++++++++++++++++++++++++++++++++++++++++++++
// Setup for the template (initializing variables, etc.)
// +++++++++++++++++++++++++++++++++++++++++++++++++

    string databaseName = this.GetInput<string>(EdmParameterBag.ParameterName.DatabaseName.ToString());
    string edmxPath = this.GetInput<string>(EdmParameterBag.ParameterName.EdmxPath.ToString());
    Version targetVersion = this.GetInput<Version>(EdmParameterBag.ParameterName.TargetVersion.ToString());
    
    if (false == InitializeAndValidateExistingStore()) 
    {
#>
-- Warning: There were errors validating the existing SSDL. Drop statements
-- will not be generated.
<#
    }
#>

-- -----------------------------------------------------------
-- Entity Designer DDL Script for MySQL Server 4.1 and higher
-- -----------------------------------------------------------
-- Date Created: <#=DateTime.Now#>
<#
    if (!String.IsNullOrEmpty(edmxPath))
    {
#>
-- Generated from EDMX file: <#=MyId(edmxPath)#>
-- Target version: <#=MyId(targetVersion.ToString())#>
<#
    }
#>
-- --------------------------------------------------

<#  if (!String.IsNullOrEmpty(databaseName))
    {
#>
DROP DATABASE IF EXISTS `<#=MyId(databaseName)#>`;
CREATE DATABASE `<#=MyId(databaseName)#>`;
USE `<#=MyId(databaseName)#>`;
<#
    }
#>

-- --------------------------------------------------
-- Dropping existing FOREIGN KEY constraints
-- NOTE: if the constraint does not exist, an ignorable error will be reported.
-- --------------------------------------------------

<#
    foreach (AssociationSet associationSet in ExistingStore.GetAllAssociationSets())
    {
        ReferentialConstraint constraint = associationSet.ElementType.ReferentialConstraints.Single();
        string constraintName = MyId(WriteFKConstraintName(constraint));
        AssociationSetEnd dependentSetEnd = associationSet.AssociationSetEnds.Where(ase => ase.CorrespondingAssociationEndMember == constraint.ToRole).Single();
        string dependentTableName = MyId(dependentSetEnd.EntitySet.GetTableName());
        
#>
--    ALTER TABLE `<#=dependentTableName#>` DROP CONSTRAINT `<#=constraintName#>`;
<#
    }
#>

-- --------------------------------------------------
-- Dropping existing tables
-- --------------------------------------------------
SET foreign_key_checks = 0;
<#
    foreach (EntitySet entitySet in ExistingStore.GetAllEntitySets())
    { 
        string tableName = MyId(entitySet.GetTableName());
#>
    DROP TABLE IF EXISTS `<#=tableName#>`;
<#
    }
#>
SET foreign_key_checks = 1;

-- --------------------------------------------------
-- Creating all tables
-- --------------------------------------------------

<#
    foreach (EntitySet entitySet in Store.GetAllEntitySets())
    {
        string tableName = MyId(entitySet.GetTableName());
#>
-- Creating table '<#=tableName#>'

CREATE TABLE `<#=tableName#>` (
<#
        for (int p = 0; p < entitySet.ElementType.Properties.Count; p++)
        {
            EdmProperty prop = entitySet.ElementType.Properties[p];
#>
    `<#=MyId(prop.Name)#>` <#=WriteMySqlType(prop)#> <#=WriteMySqlIdentity(prop, targetVersion)#> <#=WriteNullable(prop.Nullable)#><#=(p < entitySet.ElementType.Properties.Count - 1) ? "," : ""#>
<#
        }
#>
);

<# 
    } 
#>


-- --------------------------------------------------
-- Creating all PRIMARY KEY constraints
-- --------------------------------------------------

<#
    foreach (EntitySet entitySet in Store.GetAllEntitySets())
    {
        string tableName = MyId(entitySet.GetTableName());
		
		bool hasAutoColumn = false;
		foreach (EdmProperty keyProperty in entitySet.ElementType.GetKeyProperties())
		{
			if (IsIdentity(keyProperty, targetVersion))
			{
				hasAutoColumn = true;
				break;
			}
		}
		if (hasAutoColumn) continue;
#>
-- Creating primary key on <#=WriteMySqlColumns(entitySet.ElementType.GetKeyProperties(), ',')#> in table '<#=tableName#>'

ALTER TABLE `<#=tableName#>`
ADD CONSTRAINT `PK_<#=tableName#>`
    PRIMARY KEY (<#=WriteMySqlColumns(entitySet.ElementType.GetKeyProperties(), ',')#> );

<#
    }
#>


-- --------------------------------------------------
-- Creating all FOREIGN KEY constraints
-- --------------------------------------------------

<#
    foreach (AssociationSet associationSet in Store.GetAllAssociationSets())
    {
        ReferentialConstraint constraint = associationSet.ElementType.ReferentialConstraints.Single();
        AssociationSetEnd dependentSetEnd = associationSet.AssociationSetEnds.Where(ase => ase.CorrespondingAssociationEndMember == constraint.ToRole).Single();
        AssociationSetEnd principalSetEnd = associationSet.AssociationSetEnds.Where(ase => ase.CorrespondingAssociationEndMember == constraint.FromRole).Single();
        string dependentTableName = MyId(dependentSetEnd.EntitySet.GetTableName());
        string principalTableName = MyId(principalSetEnd.EntitySet.GetTableName());
#>
-- Creating foreign key on <#=WriteMySqlColumns(constraint.ToProperties, ',')#> in table '<#=dependentTableName#>'

ALTER TABLE `<#=dependentTableName#>`
ADD CONSTRAINT `<#=WriteFKConstraintName(constraint)#>`
    FOREIGN KEY (<#=WriteMySqlColumns(constraint.ToProperties, ',')#>)
    REFERENCES `<#=principalTableName#>`
        (<#=WriteMySqlColumns(constraint.FromProperties, ',')#>)
    ON DELETE <#=GetDeleteAction(constraint)#> ON UPDATE NO ACTION;
<#      
        // if the foreign keys are part of the primary key on the dependent end, then we should not add a constraint.
        if (!dependentSetEnd.EntitySet.ElementType.GetKeyProperties().Take(constraint.ToProperties.Count()).OrderBy(r => r.Name).SequenceEqual(constraint.ToProperties.OrderBy(r => r.Name)))
        {
#>

-- Creating non-clustered index for FOREIGN KEY '<#=WriteFKConstraintName(constraint)#>'

CREATE INDEX `IX_<#=WriteFKConstraintName(constraint)#>` 
    ON `<#=dependentTableName#>`
    (<#=WriteMySqlColumns(constraint.ToProperties, ',')#>);
<#      
        }
#>

<#
    }
#>
-- --------------------------------------------------
-- Script has ended
-- --------------------------------------------------