Added funcions GdaExSqlBuilder::get_sql_* (closes #1001).

diff --git a/src/sqlbuilder.c b/src/sqlbuilder.c
index 939ca36a87086889db2f66cea6fa5ec945a2f009..feaf3d699c7600c412db48d7e9b9077906a5b702 100644 (file)
--- a/src/sqlbuilder.c
+++ b/src/sqlbuilder.c
@@ -674,6 +674,167 @@ gchar
        return ret;
 }
 
+/**
+ * gdaex_sql_builder_get_sql_select:
+ * @sqlb:
+ * @cnc:
+ * @params:
+ *
+ */
+gchar
+*gdaex_sql_builder_get_sql_select (GdaExSqlBuilder *sqlb, GdaConnection *cnc, GdaSet *params)
+{
+       gchar *ret;
+       gchar *sql;
+
+       gchar *start;
+       gchar *end;
+
+       ret = NULL;
+
+       sql = gdaex_sql_builder_get_sql (sqlb, cnc, params);
+       if (sql == NULL)
+               {
+                       return ret;
+               }
+
+       start = g_strstr_len (sql, -1, "SELECT");
+       if (start == NULL)
+               {
+                       return ret;
+               }
+
+       end = g_strstr_len (sql, -1, "FROM");
+       if (end == NULL)
+               {
+                       return ret;
+               }
+
+       ret = g_strndup (start + 7, strlen (sql) - 8 - strlen (end));
+
+       g_free (sql);
+
+       return ret;
+}
+
+/**
+ * gdaex_sql_builder_get_sql_from:
+ * @sqlb:
+ * @cnc:
+ * @params:
+ *
+ */
+gchar
+*gdaex_sql_builder_get_sql_from (GdaExSqlBuilder *sqlb, GdaConnection *cnc, GdaSet *params)
+{
+       gchar *ret;
+       gchar *sql;
+
+       gchar *start;
+       gchar *end;
+
+       ret = NULL;
+
+       sql = gdaex_sql_builder_get_sql (sqlb, cnc, params);
+       if (sql == NULL)
+               {
+                       return ret;
+               }
+
+       start = g_strstr_len (sql, -1, "FROM");
+       if (start == NULL)
+               {
+                       return ret;
+               }
+
+       end = g_strstr_len (sql, -1, "WHERE");
+       if (end == NULL)
+               {
+                       end = g_strstr_len (sql, -1, "ORDER BY");
+               }
+
+       ret = g_strndup (start + 5, strlen (start) - (end != NULL ? 6 : 5) - (end != NULL ? strlen (end) : 0));
+
+       g_free (sql);
+
+       return ret;
+}
+
+/**
+ * gdaex_sql_builder_get_sql_where:
+ * @sqlb:
+ * @cnc:
+ * @params:
+ *
+ */
+gchar
+*gdaex_sql_builder_get_sql_where (GdaExSqlBuilder *sqlb, GdaConnection *cnc, GdaSet *params)
+{
+       gchar *ret;
+       gchar *sql;
+
+       gchar *start;
+       gchar *end;
+
+       ret = NULL;
+
+       sql = gdaex_sql_builder_get_sql (sqlb, cnc, params);
+       if (sql == NULL)
+               {
+                       return ret;
+               }
+
+       start = g_strstr_len (sql, -1, "WHERE");
+       if (start == NULL)
+               {
+                       return ret;
+               }
+
+       end = g_strstr_len (sql, -1, "ORDER BY");
+
+       ret = g_strndup (start + 6, strlen (start) - (end != NULL ? 7 : 6) - (end != NULL ? strlen (end) : 0));
+
+       g_free (sql);
+
+       return ret;
+}
+
+/**
+ * gdaex_sql_builder_get_sql_order:
+ * @sqlb:
+ * @cnc:
+ * @params:
+ *
+ */
+gchar
+*gdaex_sql_builder_get_sql_order (GdaExSqlBuilder *sqlb, GdaConnection *cnc, GdaSet *params)
+{
+       gchar *ret;
+       gchar *sql;
+
+       gchar *start;
+
+       ret = NULL;
+
+       sql = gdaex_sql_builder_get_sql (sqlb, cnc, params);
+       if (sql == NULL)
+               {
+                       return ret;
+               }
+
+       start = g_strstr_len (sql, -1, "ORDER BY");
+       if (start == NULL)
+               {
+                       return ret;
+               }
+
+       ret = g_strndup (start + 9, strlen (start) - 9);
+
+       g_free (sql);
+
+       return ret;
+}
+
 /**
  * gdaex_sql_builder_query:
  * @sqlb:

diff --git a/src/sqlbuilder.h b/src/sqlbuilder.h
index fb69f3309ee778741e812b745f15f8d99d3736b4..af3343c93ae6c85f7f13f64e162ba8a3c3f4df44 100644 (file)
--- a/src/sqlbuilder.h
+++ b/src/sqlbuilder.h
@@ -1,7 +1,7 @@
 /*
  *  sqlbuilder.h
  *
- *  Copyright (C) 2015 Andrea Zagli <azagli@libero.it>
+ *  Copyright (C) 2015-2016 Andrea Zagli <azagli@libero.it>
  *
  *  This file is part of libgdaex.
  *
@@ -68,13 +68,17 @@ void gdaex_sql_builder_join (GdaExSqlBuilder *sqlb,
 void gdaex_sql_builder_field (GdaExSqlBuilder *sqlb, const gchar *table_name, const gchar *field_name, const gchar *field_alias, GValue *gval);
 void gdaex_sql_builder_fields (GdaExSqlBuilder *sqlb, ...);
 
-GdaSqlBuilderId gdaex_sql_builder_where (GdaExSqlBuilder *sqln, GdaSqlOperatorType op,
+GdaSqlBuilderId gdaex_sql_builder_where (GdaExSqlBuilder *sqlb, GdaSqlOperatorType op,
                                                                                 ...);
 
 void gdaex_sql_builder_order (GdaExSqlBuilder *sqlb, ...);
 
 GdaSqlBuilder *gdaex_sql_builder_get_gda_sql_builder (GdaExSqlBuilder *sqlb);
 gchar *gdaex_sql_builder_get_sql (GdaExSqlBuilder *sqlb, GdaConnection *cnc, GdaSet *params);
+gchar *gdaex_sql_builder_get_sql_select (GdaExSqlBuilder *sqlb, GdaConnection *cnc, GdaSet *params);
+gchar *gdaex_sql_builder_get_sql_from (GdaExSqlBuilder *sqlb, GdaConnection *cnc, GdaSet *params);
+gchar *gdaex_sql_builder_get_sql_where (GdaExSqlBuilder *sqlb, GdaConnection *cnc, GdaSet *params);
+gchar *gdaex_sql_builder_get_sql_order (GdaExSqlBuilder *sqlb, GdaConnection *cnc, GdaSet *params);
 
 GdaDataModel *gdaex_sql_builder_query (GdaExSqlBuilder *sqlb, GdaEx *gdaex, GdaSet *params);
 gint gdaex_sql_builder_execute  (GdaExSqlBuilder *sqlb, GdaEx *gdaex, GdaSet *params);