1 /*
2  * Copyright (c) 2015, 2021, Oracle and/or its affiliates.
3  *
4  * This program is free software; you can redistribute it and/or modify
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16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU General Public License, version 2.0, for more details.
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20  * You should have received a copy of the GNU General Public License along
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22  * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
23  */
24 
25 #include "insert_statement_builder.h"
26 #include "ngs_common/protocol_protobuf.h"
27 #include "xpl_error.h"
28 
29 
build(const Insert & msg) const30 void xpl::Insert_statement_builder::build(const Insert &msg) const
31 {
32   m_builder.put("INSERT INTO ");
33   add_collection(msg.collection());
34   add_projection(msg.projection(), is_table_data_model(msg));
35   add_values(msg.row(), is_table_data_model(msg) ? msg.projection().size() : 1);
36 }
37 
38 
add_projection(const Projection_list & projection,const bool is_relational) const39 void xpl::Insert_statement_builder::add_projection(const Projection_list &projection,
40                                                         const bool is_relational) const
41 {
42   if (is_relational)
43   {
44     if (projection.size() != 0)
45       m_builder.put(" (")
46         .put_list(projection, ngs::bind(&Generator::put_identifier, m_builder,
47                                         ngs::bind(&Mysqlx::Crud::Column::name, ngs::placeholders::_1)))
48         .put(")");
49   }
50   else
51   {
52     if (projection.size() != 0)
53       throw ngs::Error_code(ER_X_BAD_PROJECTION, "Invalid projection for document operation");
54     m_builder.put(" (doc)");
55   }
56 }
57 
58 
add_values(const Row_list & values,const int projection_size) const59 void xpl::Insert_statement_builder::add_values(const Row_list &values, const int projection_size) const
60 {
61   if (values.size() == 0)
62     throw ngs::Error_code(ER_X_MISSING_ARGUMENT, "Missing row data for Insert");
63 
64   m_builder.put(" VALUES ")
65     .put_list(values, ngs::bind(&Insert_statement_builder::add_row, this,
66                                 ngs::bind(&Insert_statement_builder::get_row_fields, this, ngs::placeholders::_1),
67                                 projection_size));
68 }
69 
70 
add_row(const Field_list & row,const int projection_size) const71 void xpl::Insert_statement_builder::add_row(const Field_list &row, const int projection_size) const
72 {
73   if ((row.size() == 0) || (projection_size && row.size() != projection_size))
74     throw ngs::Error_code(ER_X_BAD_INSERT_DATA, "Wrong number of fields in row being inserted");
75 
76   m_builder.put("(").put_list(row, &Generator::put_expr).put(")");
77 }
78