forked from osm2pgsql-dev/osm2pgsql
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathflex-table-column.cpp
More file actions
141 lines (125 loc) · 4.17 KB
/
Copy pathflex-table-column.cpp
File metadata and controls
141 lines (125 loc) · 4.17 KB
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
#include "flex-table-column.hpp"
#include <algorithm>
#include <array>
#include <cctype>
#include <cstring>
#include <stdexcept>
#include <utility>
struct column_type_lookup
{
char const *name;
table_column_type type;
};
static column_type_lookup const column_types[] = {
{"sql", table_column_type::sql},
{"text", table_column_type::text},
{"boolean", table_column_type::boolean},
{"bool", table_column_type::boolean},
{"int2", table_column_type::int2},
{"smallint", table_column_type::int2},
{"int4", table_column_type::int4},
{"int", table_column_type::int4},
{"integer", table_column_type::int4},
{"int8", table_column_type::int8},
{"bigint", table_column_type::int8},
{"real", table_column_type::real},
{"hstore", table_column_type::hstore},
{"direction", table_column_type::direction},
{"geometry", table_column_type::geometry},
{"point", table_column_type::point},
{"linestring", table_column_type::linestring},
{"polygon", table_column_type::polygon},
{"multipoint", table_column_type::multipoint},
{"multilinestring", table_column_type::multilinestring},
{"multipolygon", table_column_type::multipolygon},
{"area", table_column_type::area},
{"id_type", table_column_type::id_type},
{"id_num", table_column_type::id_num}};
static table_column_type
get_column_type_from_string(std::string const &type) noexcept
{
auto const it =
std::find_if(std::begin(column_types), std::end(column_types),
[&type](column_type_lookup name_type) {
return type == name_type.name;
});
if (it != std::end(column_types)) {
return it->type;
}
// If we don't recognize the column type, we just assume its a valid SQL
// type and use it "as is".
return table_column_type::sql;
}
static std::string lowercase(std::string const &str)
{
std::string result;
for (char c : str) {
result +=
static_cast<char>(std::tolower(static_cast<unsigned char>(c)));
}
return result;
}
flex_table_column_t::flex_table_column_t(std::string name,
std::string const &type)
: m_name(std::move(name)), m_type_name(lowercase(type)),
m_type(get_column_type_from_string(m_type_name))
{}
std::string flex_table_column_t::sql_type_name(int srid) const
{
switch (m_type) {
case table_column_type::sql:
return m_type_name;
case table_column_type::text:
return "text";
case table_column_type::boolean:
return "boolean";
case table_column_type::int2:
return "int2";
case table_column_type::int4:
return "int4";
case table_column_type::int8:
return "int8";
case table_column_type::real:
return "real";
case table_column_type::hstore:
return "hstore";
case table_column_type::direction:
return "int2";
case table_column_type::geometry:
return "Geometry(GEOMETRY, {})"_format(srid);
case table_column_type::point:
return "Geometry(POINT, {})"_format(srid);
case table_column_type::linestring:
return "Geometry(LINESTRING, {})"_format(srid);
case table_column_type::polygon:
return "Geometry(POLYGON, {})"_format(srid);
case table_column_type::multipoint:
return "Geometry(MULTIPOINT, {})"_format(srid);
case table_column_type::multilinestring:
return "Geometry(MULTILINESTRING, {})"_format(srid);
case table_column_type::multipolygon:
return "Geometry(MULTIPOLYGON, {})"_format(srid);
case table_column_type::area:
return "real";
case table_column_type::id_type:
return "char(1)";
case table_column_type::id_num:
return "int8";
}
throw std::runtime_error{"Unknown column type"};
}
std::string flex_table_column_t::sql_modifiers() const
{
std::string modifiers;
if (m_not_null) {
modifiers += "NOT NULL ";
}
if (!modifiers.empty()) {
modifiers.resize(modifiers.size() - 1);
}
return modifiers;
}
std::string flex_table_column_t::sql_create(int srid) const
{
return "\"{}\" {} {},"_format(m_name, sql_type_name(srid), sql_modifiers());
}