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diff --git a/src/log_data_table.hh b/src/log_data_table.hh
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+/**
+ * Copyright (c) 2007-2012, Timothy Stack
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * * Neither the name of Timothy Stack nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @file log_data_table.hh
+ */
+
+#ifndef lnav_log_data_table_hh
+#define lnav_log_data_table_hh
+
+#include <string>
+#include <vector>
+
+#include "column_namer.hh"
+#include "data_parser.hh"
+#include "log_vtab_impl.hh"
+#include "logfile.hh"
+#include "logfile_sub_source.hh"
+
+class log_data_table : public log_vtab_impl {
+public:
+    log_data_table(logfile_sub_source& lss,
+                   log_vtab_manager& lvm,
+                   content_line_t template_line,
+                   intern_string_t table_name);
+
+    void get_columns_int();
+
+    void get_columns(std::vector<vtab_column>& cols) const override
+    {
+        cols = this->ldt_cols;
+    }
+
+    void get_foreign_keys(std::vector<std::string>& keys_inout) const override
+    {
+        log_vtab_impl::get_foreign_keys(keys_inout);
+    }
+
+    bool next(log_cursor& lc, logfile_sub_source& lss) override;
+
+    void extract(logfile* lf,
+                 uint64_t line_number,
+                 logline_value_vector& values) override;
+
+private:
+    logfile_sub_source& ldt_log_source;
+    const content_line_t ldt_template_line;
+    data_parser::schema_id_t ldt_schema_id;
+    data_parser::element_list_t ldt_pairs;
+    std::shared_ptr<log_vtab_impl> ldt_format_impl;
+    std::vector<vtab_column> ldt_cols;
+    std::vector<logline_value_meta> ldt_value_metas;
+};
+
+#endif